/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_spec8_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:57:38,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:57:38,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:57:38,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:57:38,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:57:38,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:57:38,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:57:38,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:57:38,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:57:38,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:57:38,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:57:38,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:57:38,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:57:38,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:57:38,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:57:38,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:57:38,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:57:38,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:57:38,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:57:38,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:57:38,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:57:38,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:57:38,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:57:38,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:57:38,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:57:38,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:57:38,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:57:38,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:57:38,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:57:38,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:57:38,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:57:38,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:57:38,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:57:38,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:57:38,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:57:38,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:57:38,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:57:38,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:57:38,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:57:38,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:57:38,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:57:38,172 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 03:57:38,198 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:57:38,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:57:38,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:57:38,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:57:38,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:57:38,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:57:38,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:57:38,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:57:38,200 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:57:38,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:57:38,200 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:57:38,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:57:38,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:57:38,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:57:38,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:57:38,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:57:38,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:57:38,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:57:38,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:57:38,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:57:38,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:57:38,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:57:38,203 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:57:38,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:57:38,203 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:57:38,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:57:38,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:57:38,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:57:38,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:57:38,394 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:57:38,395 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:57:38,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product33.cil.c [2023-04-02 03:57:39,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:57:39,672 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:57:39,673 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product33.cil.c [2023-04-02 03:57:39,690 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e73598bf/7f6ee18e9019484d9148c4a67d874b2d/FLAGe59c7c563 [2023-04-02 03:57:39,703 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e73598bf/7f6ee18e9019484d9148c4a67d874b2d [2023-04-02 03:57:39,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:57:39,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:57:39,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:57:39,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:57:39,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:57:39,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:57:39" (1/1) ... [2023-04-02 03:57:39,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296a16fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:39, skipping insertion in model container [2023-04-02 03:57:39,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:57:39" (1/1) ... [2023-04-02 03:57:39,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:57:39,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:57:39,988 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_spec8_product33.cil.c[11621,11634] [2023-04-02 03:57:40,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:57:40,216 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:57:40,254 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_spec8_product33.cil.c[11621,11634] [2023-04-02 03:57:40,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:57:40,339 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:57:40,343 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:57:40,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40 WrapperNode [2023-04-02 03:57:40,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:57:40,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:57:40,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:57:40,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:57:40,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,438 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:57:40,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:57:40,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:57:40,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:57:40,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (1/1) ... [2023-04-02 03:57:40,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:57:40,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:57:40,475 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 03:57:40,488 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 03:57:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:57:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:57:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:57:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:57:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:57:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:57:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:57:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:57:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:57:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:57:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:57:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:57:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:57:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:57:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:57:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:57:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:57:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:57:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:57:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:57:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-02 03:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:57:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:57:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:57:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:57:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:57:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:57:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:57:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 03:57:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 03:57:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:57:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:57:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:57:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:57:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:57:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:57:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:57:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:57:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:57:40,834 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:57:40,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:57:41,801 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:57:41,815 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:57:41,815 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:57:41,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:57:41 BoogieIcfgContainer [2023-04-02 03:57:41,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:57:41,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:57:41,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:57:41,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:57:41,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:57:39" (1/3) ... [2023-04-02 03:57:41,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62087899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:57:41, skipping insertion in model container [2023-04-02 03:57:41,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:57:40" (2/3) ... [2023-04-02 03:57:41,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62087899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:57:41, skipping insertion in model container [2023-04-02 03:57:41,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:57:41" (3/3) ... [2023-04-02 03:57:41,826 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product33.cil.c [2023-04-02 03:57:41,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:57:41,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:57:41,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:57:41,896 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;@6eed9f1c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:57:41,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:57:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 594 states, 376 states have (on average 1.398936170212766) internal successors, (526), 386 states have internal predecessors, (526), 128 states have call successors, (128), 85 states have call predecessors, (128), 85 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-02 03:57:41,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-02 03:57:41,933 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:57:41,935 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:57:41,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:57:41,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:57:41,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1906918162, now seen corresponding path program 1 times [2023-04-02 03:57:41,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:57:41,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654246892] [2023-04-02 03:57:41,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:41,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:57:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:57:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:57:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:57:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:57:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:57:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:57:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:57:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:57:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:57:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:57:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:57:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:57:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:57:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:57:42,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:57:42,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654246892] [2023-04-02 03:57:42,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654246892] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:57:42,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:57:42,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:57:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057078853] [2023-04-02 03:57:42,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:57:43,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:57:43,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:57:43,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:57:43,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:57:43,029 INFO L87 Difference]: Start difference. First operand has 594 states, 376 states have (on average 1.398936170212766) internal successors, (526), 386 states have internal predecessors, (526), 128 states have call successors, (128), 85 states have call predecessors, (128), 85 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:51,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:57:51,217 INFO L93 Difference]: Finished difference Result 1421 states and 2093 transitions. [2023-04-02 03:57:51,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:57:51,219 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 158 [2023-04-02 03:57:51,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:57:51,233 INFO L225 Difference]: With dead ends: 1421 [2023-04-02 03:57:51,233 INFO L226 Difference]: Without dead ends: 933 [2023-04-02 03:57:51,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-04-02 03:57:51,241 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3065 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 1598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 3971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1598 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:57:51,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3112 Valid, 218 Invalid, 3971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1598 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 03:57:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2023-04-02 03:57:51,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 571. [2023-04-02 03:57:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 365 states have (on average 1.3972602739726028) internal successors, (510), 372 states have internal predecessors, (510), 124 states have call successors, (124), 85 states have call predecessors, (124), 81 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 03:57:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 753 transitions. [2023-04-02 03:57:51,531 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 753 transitions. Word has length 158 [2023-04-02 03:57:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:57:51,532 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 753 transitions. [2023-04-02 03:57:51,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2023-04-02 03:57:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-02 03:57:51,538 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:57:51,538 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:57:51,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:57:51,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:57:51,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:57:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1172646123, now seen corresponding path program 1 times [2023-04-02 03:57:51,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:57:51,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223074095] [2023-04-02 03:57:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:57:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:57:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:57:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:57:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:57:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:57:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:57:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:57:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:57:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:57:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:57:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:57:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:57:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:57:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:57:52,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:57:52,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223074095] [2023-04-02 03:57:52,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223074095] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:57:52,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750959350] [2023-04-02 03:57:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:52,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:57:52,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:57:52,743 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 03:57:52,784 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 03:57:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:53,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:57:53,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:57:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:57:53,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:57:53,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750959350] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:57:53,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:57:53,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:57:53,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744022051] [2023-04-02 03:57:53,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:57:53,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:57:53,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:57:53,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:57:53,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:57:53,240 INFO L87 Difference]: Start difference. First operand 571 states and 753 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:53,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:57:53,527 INFO L93 Difference]: Finished difference Result 902 states and 1172 transitions. [2023-04-02 03:57:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:57:53,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 159 [2023-04-02 03:57:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:57:53,536 INFO L225 Difference]: With dead ends: 902 [2023-04-02 03:57:53,536 INFO L226 Difference]: Without dead ends: 574 [2023-04-02 03:57:53,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 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 03:57:53,539 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 1 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1500 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 03:57:53,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:57:53,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-04-02 03:57:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 573. [2023-04-02 03:57:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 367 states have (on average 1.3950953678474114) internal successors, (512), 374 states have internal predecessors, (512), 124 states have call successors, (124), 85 states have call predecessors, (124), 81 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 03:57:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 755 transitions. [2023-04-02 03:57:53,793 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 755 transitions. Word has length 159 [2023-04-02 03:57:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:57:53,794 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 755 transitions. [2023-04-02 03:57:53,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 755 transitions. [2023-04-02 03:57:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 03:57:53,796 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:57:53,796 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:57:53,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:57:54,003 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 03:57:54,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:57:54,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:57:54,004 INFO L85 PathProgramCache]: Analyzing trace with hash -492095703, now seen corresponding path program 1 times [2023-04-02 03:57:54,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:57:54,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996084121] [2023-04-02 03:57:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:54,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:57:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:57:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:57:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:57:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:57:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:57:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:57:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:57:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:57:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:57:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:57:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:57:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:57:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:57:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:57:54,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:57:54,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996084121] [2023-04-02 03:57:54,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996084121] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:57:54,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538759796] [2023-04-02 03:57:54,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:54,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:57:54,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:57:54,917 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 03:57:54,933 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 03:57:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:55,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:57:55,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:57:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:57:55,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:57:55,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538759796] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:57:55,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:57:55,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:57:55,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810678895] [2023-04-02 03:57:55,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:57:55,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:57:55,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:57:55,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:57:55,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:57:55,370 INFO L87 Difference]: Start difference. First operand 573 states and 755 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:55,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:57:55,657 INFO L93 Difference]: Finished difference Result 1124 states and 1511 transitions. [2023-04-02 03:57:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:57:55,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-04-02 03:57:55,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:57:55,662 INFO L225 Difference]: With dead ends: 1124 [2023-04-02 03:57:55,662 INFO L226 Difference]: Without dead ends: 616 [2023-04-02 03:57:55,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 214 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 03:57:55,666 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 53 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:57:55,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:57:55,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-04-02 03:57:55,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2023-04-02 03:57:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 400 states have (on average 1.415) internal successors, (566), 407 states have internal predecessors, (566), 133 states have call successors, (133), 85 states have call predecessors, (133), 81 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-02 03:57:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 827 transitions. [2023-04-02 03:57:55,916 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 827 transitions. Word has length 171 [2023-04-02 03:57:55,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:57:55,917 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 827 transitions. [2023-04-02 03:57:55,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 827 transitions. [2023-04-02 03:57:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-02 03:57:55,919 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:57:55,919 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:57:55,929 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 03:57:56,129 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 03:57:56,129 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:57:56,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:57:56,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2138893742, now seen corresponding path program 1 times [2023-04-02 03:57:56,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:57:56,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825632336] [2023-04-02 03:57:56,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:56,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:57:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:57:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:57:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:57:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:57:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:57:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:57:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:57:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:57:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:57:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:57:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:57:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:57:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:57:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:57:56,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:57:56,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825632336] [2023-04-02 03:57:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825632336] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:57:56,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986434836] [2023-04-02 03:57:56,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:56,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:57:56,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:57:57,002 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 03:57:57,017 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 03:57:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:57,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:57:57,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:57:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:57:57,444 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:57:57,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986434836] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:57:57,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:57:57,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:57:57,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481286937] [2023-04-02 03:57:57,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:57:57,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:57:57,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:57:57,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:57:57,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:57:57,446 INFO L87 Difference]: Start difference. First operand 615 states and 827 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, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:57:57,769 INFO L93 Difference]: Finished difference Result 1247 states and 1722 transitions. [2023-04-02 03:57:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:57:57,769 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, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 172 [2023-04-02 03:57:57,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:57:57,772 INFO L225 Difference]: With dead ends: 1247 [2023-04-02 03:57:57,772 INFO L226 Difference]: Without dead ends: 697 [2023-04-02 03:57:57,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 215 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 03:57:57,774 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 51 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:57:57,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:57:57,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2023-04-02 03:57:58,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 696. [2023-04-02 03:57:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 464 states have (on average 1.4439655172413792) internal successors, (670), 471 states have internal predecessors, (670), 150 states have call successors, (150), 85 states have call predecessors, (150), 81 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-04-02 03:57:58,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 965 transitions. [2023-04-02 03:57:58,069 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 965 transitions. Word has length 172 [2023-04-02 03:57:58,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:57:58,069 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 965 transitions. [2023-04-02 03:57:58,069 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, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:57:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 965 transitions. [2023-04-02 03:57:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-02 03:57:58,071 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:57:58,072 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:57:58,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:57:58,280 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 03:57:58,280 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:57:58,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:57:58,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1442631191, now seen corresponding path program 1 times [2023-04-02 03:57:58,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:57:58,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604715826] [2023-04-02 03:57:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:57:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:57:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:57:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:57:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:57:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:57:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:57:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:57:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 03:57:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:57:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 03:57:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:57:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:57:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:57:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:57:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:57:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:57:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:57:59,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:57:59,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604715826] [2023-04-02 03:57:59,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604715826] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:57:59,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70808073] [2023-04-02 03:57:59,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:57:59,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:57:59,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:57:59,153 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 03:57:59,154 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 03:57:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:57:59,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:57:59,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:57:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:57:59,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:57:59,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70808073] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:57:59,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:57:59,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:57:59,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126234268] [2023-04-02 03:57:59,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:57:59,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:57:59,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:57:59,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:57:59,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:57:59,602 INFO L87 Difference]: Start difference. First operand 696 states and 965 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:58:00,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:58:00,023 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2023-04-02 03:58:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:58:00,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 173 [2023-04-02 03:58:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:58:00,027 INFO L225 Difference]: With dead ends: 1484 [2023-04-02 03:58:00,027 INFO L226 Difference]: Without dead ends: 853 [2023-04-02 03:58:00,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 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 03:58:00,029 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 49 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1502 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 03:58:00,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1502 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:58:00,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-04-02 03:58:00,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2023-04-02 03:58:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 588 states have (on average 1.4795918367346939) internal successors, (870), 595 states have internal predecessors, (870), 182 states have call successors, (182), 85 states have call predecessors, (182), 81 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-04-02 03:58:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1229 transitions. [2023-04-02 03:58:00,391 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1229 transitions. Word has length 173 [2023-04-02 03:58:00,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:58:00,392 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1229 transitions. [2023-04-02 03:58:00,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 03:58:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1229 transitions. [2023-04-02 03:58:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-02 03:58:00,394 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:58:00,395 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:58:00,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 03:58:00,602 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 03:58:00,603 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:58:00,603 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:58:00,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1193236198, now seen corresponding path program 1 times [2023-04-02 03:58:00,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:58:00,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271562729] [2023-04-02 03:58:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:00,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:58:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:58:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:58:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:58:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:58:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 03:58:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 03:58:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 03:58:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:58:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:58:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:58:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:58:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:58:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:58:01,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:58:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271562729] [2023-04-02 03:58:01,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271562729] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:58:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650635169] [2023-04-02 03:58:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:01,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:58:01,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:58:01,449 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 03:58:01,466 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 03:58:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:01,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:58:01,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:58:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 03:58:02,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:58:02,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650635169] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:58:02,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:58:02,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-04-02 03:58:02,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083774320] [2023-04-02 03:58:02,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:58:02,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:58:02,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:58:02,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:58:02,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:58:02,120 INFO L87 Difference]: Start difference. First operand 852 states and 1229 transitions. Second operand has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:58:03,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:58:03,207 INFO L93 Difference]: Finished difference Result 1682 states and 2438 transitions. [2023-04-02 03:58:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:58:03,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 175 [2023-04-02 03:58:03,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:58:03,211 INFO L225 Difference]: With dead ends: 1682 [2023-04-02 03:58:03,211 INFO L226 Difference]: Without dead ends: 866 [2023-04-02 03:58:03,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:58:03,213 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 709 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:58:03,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 3908 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 03:58:03,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-04-02 03:58:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2023-04-02 03:58:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 599 states have (on average 1.4808013355592655) internal successors, (887), 607 states have internal predecessors, (887), 182 states have call successors, (182), 87 states have call predecessors, (182), 84 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 03:58:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1247 transitions. [2023-04-02 03:58:03,584 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1247 transitions. Word has length 175 [2023-04-02 03:58:03,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:58:03,584 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1247 transitions. [2023-04-02 03:58:03,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:58:03,584 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1247 transitions. [2023-04-02 03:58:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 03:58:03,586 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:58:03,586 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:58:03,594 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 03:58:03,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:58:03,794 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:58:03,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:58:03,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1632629424, now seen corresponding path program 1 times [2023-04-02 03:58:03,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:58:03,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240058776] [2023-04-02 03:58:03,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:03,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:58:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:58:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:58:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:58:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:58:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 03:58:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:58:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:58:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:58:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:58:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:58:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:58:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:58:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:58:04,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:58:04,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240058776] [2023-04-02 03:58:04,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240058776] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:58:04,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492833183] [2023-04-02 03:58:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:04,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:58:04,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:58:04,702 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:58:04,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 03:58:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:05,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:58:05,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:58:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 03:58:05,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:58:05,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492833183] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:58:05,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:58:05,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-04-02 03:58:05,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907558120] [2023-04-02 03:58:05,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:58:05,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:58:05,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:58:05,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:58:05,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:58:05,240 INFO L87 Difference]: Start difference. First operand 866 states and 1247 transitions. Second operand has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 03:58:06,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:58:06,190 INFO L93 Difference]: Finished difference Result 1683 states and 2444 transitions. [2023-04-02 03:58:06,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:58:06,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 176 [2023-04-02 03:58:06,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:58:06,195 INFO L225 Difference]: With dead ends: 1683 [2023-04-02 03:58:06,195 INFO L226 Difference]: Without dead ends: 868 [2023-04-02 03:58:06,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:58:06,197 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 703 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:58:06,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2885 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 03:58:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2023-04-02 03:58:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2023-04-02 03:58:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 600 states have (on average 1.48) internal successors, (888), 609 states have internal predecessors, (888), 182 states have call successors, (182), 87 states have call predecessors, (182), 85 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 03:58:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1250 transitions. [2023-04-02 03:58:06,554 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1250 transitions. Word has length 176 [2023-04-02 03:58:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:58:06,554 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1250 transitions. [2023-04-02 03:58:06,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 03:58:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1250 transitions. [2023-04-02 03:58:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 03:58:06,557 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:58:06,557 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:58:06,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 03:58:06,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:58:06,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:58:06,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:58:06,765 INFO L85 PathProgramCache]: Analyzing trace with hash 409091104, now seen corresponding path program 1 times [2023-04-02 03:58:06,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:58:06,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137188004] [2023-04-02 03:58:06,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:58:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:58:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:58:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:58:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:58:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 03:58:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:58:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:58:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:58:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:58:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:58:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:58:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:58:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:58:07,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:58:07,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137188004] [2023-04-02 03:58:07,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137188004] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:58:07,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:58:07,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:58:07,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936823307] [2023-04-02 03:58:07,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:58:07,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:58:07,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:58:07,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:58:07,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:58:07,541 INFO L87 Difference]: Start difference. First operand 868 states and 1250 transitions. Second operand has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 03:58:18,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:58:18,268 INFO L93 Difference]: Finished difference Result 3267 states and 5413 transitions. [2023-04-02 03:58:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:58:18,269 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) Word has length 177 [2023-04-02 03:58:18,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:58:18,281 INFO L225 Difference]: With dead ends: 3267 [2023-04-02 03:58:18,281 INFO L226 Difference]: Without dead ends: 2458 [2023-04-02 03:58:18,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=588, Invalid=2168, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:58:18,285 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4091 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7994 mSolverCounterSat, 2245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2245 IncrementalHoareTripleChecker+Valid, 7994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:58:18,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 79 Invalid, 10239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2245 Valid, 7994 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-04-02 03:58:18,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2023-04-02 03:58:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 878. [2023-04-02 03:58:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.477832512315271) internal successors, (900), 617 states have internal predecessors, (900), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (179), 177 states have call predecessors, (179), 177 states have call successors, (179) [2023-04-02 03:58:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1261 transitions. [2023-04-02 03:58:18,734 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1261 transitions. Word has length 177 [2023-04-02 03:58:18,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:58:18,734 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1261 transitions. [2023-04-02 03:58:18,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 03:58:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1261 transitions. [2023-04-02 03:58:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 03:58:18,736 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:58:18,736 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:58:18,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:58:18,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:58:18,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:58:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash 580485170, now seen corresponding path program 2 times [2023-04-02 03:58:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:58:18,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032318894] [2023-04-02 03:58:18,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:18,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:58:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:58:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:58:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:58:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:58:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 03:58:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:58:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:58:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:58:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:58:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:58:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:58:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:58:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:58:19,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:58:19,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032318894] [2023-04-02 03:58:19,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032318894] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:58:19,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:58:19,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:58:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639533178] [2023-04-02 03:58:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:58:19,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:58:19,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:58:19,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:58:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:58:19,564 INFO L87 Difference]: Start difference. First operand 878 states and 1261 transitions. Second operand has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:58:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:58:33,293 INFO L93 Difference]: Finished difference Result 3269 states and 5418 transitions. [2023-04-02 03:58:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-04-02 03:58:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 178 [2023-04-02 03:58:33,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:58:33,305 INFO L225 Difference]: With dead ends: 3269 [2023-04-02 03:58:33,305 INFO L226 Difference]: Without dead ends: 2471 [2023-04-02 03:58:33,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=620, Invalid=2460, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:58:33,309 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3310 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9449 mSolverCounterSat, 1792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 9449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:58:33,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 92 Invalid, 11241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1792 Valid, 9449 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 03:58:33,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2023-04-02 03:58:33,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 883. [2023-04-02 03:58:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 611 states have (on average 1.4762684124386252) internal successors, (902), 620 states have internal predecessors, (902), 183 states have call successors, (183), 89 states have call predecessors, (183), 88 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-04-02 03:58:33,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1267 transitions. [2023-04-02 03:58:33,785 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1267 transitions. Word has length 178 [2023-04-02 03:58:33,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:58:33,786 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1267 transitions. [2023-04-02 03:58:33,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:58:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1267 transitions. [2023-04-02 03:58:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 03:58:33,789 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:58:33,789 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] [2023-04-02 03:58:33,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:58:33,789 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:58:33,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:58:33,789 INFO L85 PathProgramCache]: Analyzing trace with hash 225965924, now seen corresponding path program 3 times [2023-04-02 03:58:33,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:58:33,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182664241] [2023-04-02 03:58:33,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:33,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:58:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:58:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:58:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:58:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:58:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:58:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:58:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:58:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:58:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:58:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:58:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:58:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:58:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-02 03:58:34,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:58:34,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182664241] [2023-04-02 03:58:34,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182664241] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:58:34,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:58:34,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:58:34,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115745688] [2023-04-02 03:58:34,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:58:34,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:58:34,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:58:34,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:58:34,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:58:34,572 INFO L87 Difference]: Start difference. First operand 883 states and 1267 transitions. Second operand has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 03:58:46,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:58:46,350 INFO L93 Difference]: Finished difference Result 3265 states and 5409 transitions. [2023-04-02 03:58:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:58:46,350 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) Word has length 179 [2023-04-02 03:58:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:58:46,383 INFO L225 Difference]: With dead ends: 3265 [2023-04-02 03:58:46,383 INFO L226 Difference]: Without dead ends: 2460 [2023-04-02 03:58:46,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=588, Invalid=2168, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:58:46,401 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4392 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8107 mSolverCounterSat, 2426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2426 IncrementalHoareTripleChecker+Valid, 8107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:58:46,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 79 Invalid, 10533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2426 Valid, 8107 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-04-02 03:58:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2023-04-02 03:58:46,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 878. [2023-04-02 03:58:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.4761904761904763) internal successors, (899), 617 states have internal predecessors, (899), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (179), 177 states have call predecessors, (179), 177 states have call successors, (179) [2023-04-02 03:58:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1260 transitions. [2023-04-02 03:58:46,937 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1260 transitions. Word has length 179 [2023-04-02 03:58:46,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:58:46,937 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1260 transitions. [2023-04-02 03:58:46,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 03:58:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1260 transitions. [2023-04-02 03:58:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 03:58:46,940 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:58:46,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:58:46,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:58:46,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:58:46,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:58:46,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1775293861, now seen corresponding path program 1 times [2023-04-02 03:58:46,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:58:46,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323986954] [2023-04-02 03:58:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:58:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:58:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:58:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:58:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:58:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:58:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:58:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:58:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:58:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:58:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:58:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:58:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:58:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:58:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:58:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:58:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:58:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:58:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:58:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:58:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:58:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:58:47,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:58:47,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323986954] [2023-04-02 03:58:47,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323986954] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:58:47,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:58:47,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:58:47,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043309714] [2023-04-02 03:58:47,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:58:47,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:58:47,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:58:47,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:58:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:58:47,728 INFO L87 Difference]: Start difference. First operand 878 states and 1260 transitions. Second operand has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:00,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:00,606 INFO L93 Difference]: Finished difference Result 3260 states and 5399 transitions. [2023-04-02 03:59:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:59:00,607 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 179 [2023-04-02 03:59:00,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:00,617 INFO L225 Difference]: With dead ends: 3260 [2023-04-02 03:59:00,617 INFO L226 Difference]: Without dead ends: 2462 [2023-04-02 03:59:00,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2023-04-02 03:59:00,620 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3583 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 9170 mSolverCounterSat, 2004 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 11174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2004 IncrementalHoareTripleChecker+Valid, 9170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:00,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3586 Valid, 94 Invalid, 11174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2004 Valid, 9170 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 03:59:00,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2023-04-02 03:59:01,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 883. [2023-04-02 03:59:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 611 states have (on average 1.474631751227496) internal successors, (901), 620 states have internal predecessors, (901), 183 states have call successors, (183), 89 states have call predecessors, (183), 88 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-04-02 03:59:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1266 transitions. [2023-04-02 03:59:01,173 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1266 transitions. Word has length 179 [2023-04-02 03:59:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:01,173 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1266 transitions. [2023-04-02 03:59:01,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1266 transitions. [2023-04-02 03:59:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 03:59:01,176 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:01,176 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:59:01,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:59:01,176 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:01,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash 127930919, now seen corresponding path program 1 times [2023-04-02 03:59:01,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:01,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568584449] [2023-04-02 03:59:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:59:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:59:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:59:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:59:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:59:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:59:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:59:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:59:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:59:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:59:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:59:01,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:01,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568584449] [2023-04-02 03:59:01,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568584449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:01,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:59:01,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:59:01,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653627430] [2023-04-02 03:59:01,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:01,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:59:01,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:01,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:59:01,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:59:01,927 INFO L87 Difference]: Start difference. First operand 883 states and 1266 transitions. Second operand has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:15,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:15,613 INFO L93 Difference]: Finished difference Result 3258 states and 5396 transitions. [2023-04-02 03:59:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:59:15,614 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 179 [2023-04-02 03:59:15,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:15,623 INFO L225 Difference]: With dead ends: 3258 [2023-04-02 03:59:15,623 INFO L226 Difference]: Without dead ends: 2460 [2023-04-02 03:59:15,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=736, Invalid=2686, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:59:15,626 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5572 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9188 mSolverCounterSat, 3033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5575 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3033 IncrementalHoareTripleChecker+Valid, 9188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:15,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5575 Valid, 88 Invalid, 12221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3033 Valid, 9188 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 03:59:15,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2023-04-02 03:59:16,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 878. [2023-04-02 03:59:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.4761904761904763) internal successors, (899), 617 states have internal predecessors, (899), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 03:59:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1259 transitions. [2023-04-02 03:59:16,187 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1259 transitions. Word has length 179 [2023-04-02 03:59:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:16,188 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1259 transitions. [2023-04-02 03:59:16,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1259 transitions. [2023-04-02 03:59:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 03:59:16,190 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:16,190 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:59:16,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:59:16,190 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:16,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:16,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1389670319, now seen corresponding path program 2 times [2023-04-02 03:59:16,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:16,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482385727] [2023-04-02 03:59:16,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:16,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:59:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:59:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:59:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:59:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:59:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:59:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:59:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:59:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:59:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:59:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:59:16,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:16,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482385727] [2023-04-02 03:59:16,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482385727] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:16,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:59:16,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:59:16,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435056987] [2023-04-02 03:59:16,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:16,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:59:16,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:16,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:59:16,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:59:16,980 INFO L87 Difference]: Start difference. First operand 878 states and 1259 transitions. Second operand has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:29,482 INFO L93 Difference]: Finished difference Result 3264 states and 5405 transitions. [2023-04-02 03:59:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:59:29,482 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 180 [2023-04-02 03:59:29,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:29,491 INFO L225 Difference]: With dead ends: 3264 [2023-04-02 03:59:29,491 INFO L226 Difference]: Without dead ends: 2466 [2023-04-02 03:59:29,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2023-04-02 03:59:29,494 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3707 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9354 mSolverCounterSat, 1935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3710 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 11289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1935 IncrementalHoareTripleChecker+Valid, 9354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:29,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3710 Valid, 90 Invalid, 11289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1935 Valid, 9354 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-04-02 03:59:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2023-04-02 03:59:30,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 885. [2023-04-02 03:59:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 612 states have (on average 1.473856209150327) internal successors, (902), 622 states have internal predecessors, (902), 183 states have call successors, (183), 89 states have call predecessors, (183), 89 states have return successors, (184), 179 states have call predecessors, (184), 178 states have call successors, (184) [2023-04-02 03:59:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1269 transitions. [2023-04-02 03:59:30,117 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1269 transitions. Word has length 180 [2023-04-02 03:59:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:30,118 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1269 transitions. [2023-04-02 03:59:30,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1269 transitions. [2023-04-02 03:59:30,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 03:59:30,120 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:30,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:59:30,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:59:30,120 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:30,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:30,121 INFO L85 PathProgramCache]: Analyzing trace with hash -918313969, now seen corresponding path program 2 times [2023-04-02 03:59:30,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:30,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794170993] [2023-04-02 03:59:30,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:59:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:59:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:59:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:59:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:59:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:59:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:59:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:59:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:59:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:59:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:59:30,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:30,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794170993] [2023-04-02 03:59:30,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794170993] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:30,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:59:30,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:59:30,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645500592] [2023-04-02 03:59:30,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:30,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:59:30,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:30,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:59:30,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:59:30,812 INFO L87 Difference]: Start difference. First operand 885 states and 1269 transitions. Second operand has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:45,240 INFO L93 Difference]: Finished difference Result 3266 states and 5407 transitions. [2023-04-02 03:59:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:59:45,241 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 180 [2023-04-02 03:59:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:45,249 INFO L225 Difference]: With dead ends: 3266 [2023-04-02 03:59:45,249 INFO L226 Difference]: Without dead ends: 2466 [2023-04-02 03:59:45,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=736, Invalid=2686, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:59:45,253 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5958 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9224 mSolverCounterSat, 3125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5961 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3125 IncrementalHoareTripleChecker+Valid, 9224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:45,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5961 Valid, 88 Invalid, 12349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3125 Valid, 9224 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 03:59:45,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2023-04-02 03:59:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 880. [2023-04-02 03:59:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 610 states have (on average 1.4754098360655739) internal successors, (900), 619 states have internal predecessors, (900), 182 states have call successors, (182), 89 states have call predecessors, (182), 87 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 03:59:45,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1262 transitions. [2023-04-02 03:59:45,958 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1262 transitions. Word has length 180 [2023-04-02 03:59:45,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:45,958 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1262 transitions. [2023-04-02 03:59:45,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:59:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1262 transitions. [2023-04-02 03:59:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 03:59:45,961 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:45,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:59:45,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:59:45,961 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:45,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:45,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1541044352, now seen corresponding path program 1 times [2023-04-02 03:59:45,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:45,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905971152] [2023-04-02 03:59:45,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:45,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:59:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:59:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:59:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:59:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:59:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:59:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:59:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:59:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:59:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:59:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 03:59:46,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:46,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905971152] [2023-04-02 03:59:46,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905971152] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:46,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:59:46,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 03:59:46,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514911767] [2023-04-02 03:59:46,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:46,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:59:46,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:46,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:59:46,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:59:46,641 INFO L87 Difference]: Start difference. First operand 880 states and 1262 transitions. Second operand has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (39), 13 states have call predecessors, (39), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:59:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:58,421 INFO L93 Difference]: Finished difference Result 3251 states and 5406 transitions. [2023-04-02 03:59:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-02 03:59:58,422 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (39), 13 states have call predecessors, (39), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 181 [2023-04-02 03:59:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:58,431 INFO L225 Difference]: With dead ends: 3251 [2023-04-02 03:59:58,431 INFO L226 Difference]: Without dead ends: 2458 [2023-04-02 03:59:58,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=402, Invalid=1158, Unknown=0, NotChecked=0, Total=1560 [2023-04-02 03:59:58,434 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4571 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5271 mSolverCounterSat, 2415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 7686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2415 IncrementalHoareTripleChecker+Valid, 5271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:58,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4571 Valid, 47 Invalid, 7686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2415 Valid, 5271 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 03:59:58,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2023-04-02 03:59:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 880. [2023-04-02 03:59:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 610 states have (on average 1.4737704918032788) internal successors, (899), 619 states have internal predecessors, (899), 182 states have call successors, (182), 89 states have call predecessors, (182), 87 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 03:59:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1261 transitions. [2023-04-02 03:59:59,100 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1261 transitions. Word has length 181 [2023-04-02 03:59:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:59,100 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1261 transitions. [2023-04-02 03:59:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (39), 13 states have call predecessors, (39), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:59:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1261 transitions. [2023-04-02 03:59:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 03:59:59,102 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:59,102 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:59:59,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:59:59,102 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:59,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1199310740, now seen corresponding path program 1 times [2023-04-02 03:59:59,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:59,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883256014] [2023-04-02 03:59:59,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:59:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:59:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:59:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:59:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:59:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:59:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:59:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:59:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:59:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 03:59:59,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:59,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883256014] [2023-04-02 03:59:59,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883256014] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:59,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:59:59,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:59:59,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472444226] [2023-04-02 03:59:59,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:59,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:59:59,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:59,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:59:59,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:59:59,705 INFO L87 Difference]: Start difference. First operand 880 states and 1261 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:00:09,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:09,510 INFO L93 Difference]: Finished difference Result 3502 states and 5859 transitions. [2023-04-02 04:00:09,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:00:09,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 180 [2023-04-02 04:00:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:09,518 INFO L225 Difference]: With dead ends: 3502 [2023-04-02 04:00:09,518 INFO L226 Difference]: Without dead ends: 2711 [2023-04-02 04:00:09,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:00:09,521 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4068 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2652 mSolverCounterSat, 2085 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4111 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2085 IncrementalHoareTripleChecker+Valid, 2652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:09,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4111 Valid, 28 Invalid, 4737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2085 Valid, 2652 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 04:00:09,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2023-04-02 04:00:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 1180. [2023-04-02 04:00:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 850 states have (on average 1.5094117647058825) internal successors, (1283), 859 states have internal predecessors, (1283), 242 states have call successors, (242), 89 states have call predecessors, (242), 87 states have return successors, (240), 237 states have call predecessors, (240), 237 states have call successors, (240) [2023-04-02 04:00:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1765 transitions. [2023-04-02 04:00:10,611 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1765 transitions. Word has length 180 [2023-04-02 04:00:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:10,611 INFO L495 AbstractCegarLoop]: Abstraction has 1180 states and 1765 transitions. [2023-04-02 04:00:10,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:00:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1765 transitions. [2023-04-02 04:00:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 04:00:10,615 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:10,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:00:10,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 04:00:10,615 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:10,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:10,615 INFO L85 PathProgramCache]: Analyzing trace with hash 304074101, now seen corresponding path program 1 times [2023-04-02 04:00:10,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:10,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802726413] [2023-04-02 04:00:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:10,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:00:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 04:00:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:00:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:00:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 04:00:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:00:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:00:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 04:00:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:00:11,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:11,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802726413] [2023-04-02 04:00:11,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802726413] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:00:11,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157756728] [2023-04-02 04:00:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:11,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:00:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:00:11,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:00:11,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 04:00:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:11,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 2400 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:00:11,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:00:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:00:11,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:00:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:00:11,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157756728] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:00:11,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:00:11,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 04:00:11,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67228383] [2023-04-02 04:00:11,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:00:11,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:00:11,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:11,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:00:11,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:00:11,931 INFO L87 Difference]: Start difference. First operand 1180 states and 1765 transitions. Second operand has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 7 states have internal predecessors, (160), 5 states have call successors, (71), 12 states have call predecessors, (71), 2 states have return successors, (41), 4 states have call predecessors, (41), 5 states have call successors, (41) [2023-04-02 04:00:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:30,882 INFO L93 Difference]: Finished difference Result 6741 states and 11957 transitions. [2023-04-02 04:00:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-02 04:00:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 7 states have internal predecessors, (160), 5 states have call successors, (71), 12 states have call predecessors, (71), 2 states have return successors, (41), 4 states have call predecessors, (41), 5 states have call successors, (41) Word has length 182 [2023-04-02 04:00:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:30,900 INFO L225 Difference]: With dead ends: 6741 [2023-04-02 04:00:30,900 INFO L226 Difference]: Without dead ends: 6413 [2023-04-02 04:00:30,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=597, Invalid=1473, Unknown=0, NotChecked=0, Total=2070 [2023-04-02 04:00:30,904 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3692 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4066 mSolverCounterSat, 1499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1499 IncrementalHoareTripleChecker+Valid, 4066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:30,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 32 Invalid, 5565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1499 Valid, 4066 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-04-02 04:00:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6413 states. [2023-04-02 04:00:33,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6413 to 1913. [2023-04-02 04:00:33,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1433 states have (on average 1.5157013258897418) internal successors, (2172), 1442 states have internal predecessors, (2172), 392 states have call successors, (392), 89 states have call predecessors, (392), 87 states have return successors, (390), 387 states have call predecessors, (390), 387 states have call successors, (390) [2023-04-02 04:00:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2954 transitions. [2023-04-02 04:00:33,193 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2954 transitions. Word has length 182 [2023-04-02 04:00:33,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:33,193 INFO L495 AbstractCegarLoop]: Abstraction has 1913 states and 2954 transitions. [2023-04-02 04:00:33,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 7 states have internal predecessors, (160), 5 states have call successors, (71), 12 states have call predecessors, (71), 2 states have return successors, (41), 4 states have call predecessors, (41), 5 states have call successors, (41) [2023-04-02 04:00:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2954 transitions. [2023-04-02 04:00:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 04:00:33,198 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:33,198 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:00:33,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 04:00:33,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:00:33,406 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:33,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:33,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2019847422, now seen corresponding path program 1 times [2023-04-02 04:00:33,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:33,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946317500] [2023-04-02 04:00:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:00:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:00:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:00:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 04:00:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:00:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:00:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 04:00:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:00:34,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:34,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946317500] [2023-04-02 04:00:34,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946317500] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:00:34,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:00:34,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:00:34,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653882350] [2023-04-02 04:00:34,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:00:34,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:00:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:34,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:00:34,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:00:34,003 INFO L87 Difference]: Start difference. First operand 1913 states and 2954 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:00:51,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:51,436 INFO L93 Difference]: Finished difference Result 8546 states and 14938 transitions. [2023-04-02 04:00:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:00:51,436 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181 [2023-04-02 04:00:51,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:51,455 INFO L225 Difference]: With dead ends: 8546 [2023-04-02 04:00:51,455 INFO L226 Difference]: Without dead ends: 6933 [2023-04-02 04:00:51,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:00:51,463 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2368 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 3885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:51,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2411 Valid, 32 Invalid, 3885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1020 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 04:00:51,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2023-04-02 04:00:55,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 2751. [2023-04-02 04:00:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 2109 states have (on average 1.5196775723091513) internal successors, (3205), 2118 states have internal predecessors, (3205), 554 states have call successors, (554), 89 states have call predecessors, (554), 87 states have return successors, (552), 549 states have call predecessors, (552), 549 states have call successors, (552) [2023-04-02 04:00:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4311 transitions. [2023-04-02 04:00:55,199 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4311 transitions. Word has length 181 [2023-04-02 04:00:55,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:55,199 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4311 transitions. [2023-04-02 04:00:55,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:00:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4311 transitions. [2023-04-02 04:00:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 04:00:55,207 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:55,208 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:00:55,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 04:00:55,208 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:55,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:55,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1332636447, now seen corresponding path program 1 times [2023-04-02 04:00:55,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:55,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585262130] [2023-04-02 04:00:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:55,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 04:00:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:00:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:00:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 04:00:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:00:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:00:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 04:00:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:00:55,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:55,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585262130] [2023-04-02 04:00:55,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585262130] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:00:55,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:00:55,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:00:55,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652750158] [2023-04-02 04:00:55,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:00:55,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:00:55,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:55,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:00:55,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:00:55,811 INFO L87 Difference]: Start difference. First operand 2751 states and 4311 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:01:19,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:01:19,595 INFO L93 Difference]: Finished difference Result 13270 states and 23415 transitions. [2023-04-02 04:01:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:01:19,596 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 182 [2023-04-02 04:01:19,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:01:19,623 INFO L225 Difference]: With dead ends: 13270 [2023-04-02 04:01:19,623 INFO L226 Difference]: Without dead ends: 10983 [2023-04-02 04:01:19,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:01:19,635 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2077 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:01:19,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 32 Invalid, 4033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [907 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 04:01:19,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10983 states. [2023-04-02 04:01:25,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10983 to 4166. [2023-04-02 04:01:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 3258 states have (on average 1.5208717004297114) internal successors, (4955), 3267 states have internal predecessors, (4955), 820 states have call successors, (820), 89 states have call predecessors, (820), 87 states have return successors, (818), 815 states have call predecessors, (818), 815 states have call successors, (818) [2023-04-02 04:01:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 6593 transitions. [2023-04-02 04:01:25,760 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 6593 transitions. Word has length 182 [2023-04-02 04:01:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:01:25,760 INFO L495 AbstractCegarLoop]: Abstraction has 4166 states and 6593 transitions. [2023-04-02 04:01:25,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:01:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 6593 transitions. [2023-04-02 04:01:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-04-02 04:01:25,769 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:01:25,769 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:01:25,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-02 04:01:25,770 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:01:25,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:01:25,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1514077250, now seen corresponding path program 1 times [2023-04-02 04:01:25,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:01:25,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143646213] [2023-04-02 04:01:25,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:01:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:01:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:01:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:01:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:01:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:01:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:01:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:01:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 04:01:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 04:01:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:01:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 04:01:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:01:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 04:01:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 04:01:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:01:26,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:01:26,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143646213] [2023-04-02 04:01:26,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143646213] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:01:26,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:01:26,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:01:26,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428224996] [2023-04-02 04:01:26,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:01:26,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:01:26,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:01:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:01:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:01:26,411 INFO L87 Difference]: Start difference. First operand 4166 states and 6593 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)