/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_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:58:07,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:58:07,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:58:07,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:58:07,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:58:07,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:58:07,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:58:07,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:58:07,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:58:07,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:58:07,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:58:07,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:58:07,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:58:07,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:58:07,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:58:07,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:58:07,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:58:07,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:58:07,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:58:07,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:58:07,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:58:07,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:58:07,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:58:07,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:58:07,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:58:07,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:58:07,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:58:07,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:58:07,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:58:07,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:58:07,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:58:07,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:58:07,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:58:07,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:58:07,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:58:07,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:58:07,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:58:07,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:58:07,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:58:07,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:58:07,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:58:07,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:58:07,769 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:58:07,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:58:07,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:58:07,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:58:07,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:58:07,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:58:07,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:58:07,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:58:07,773 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:58:07,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:58:07,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:58:07,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:58:07,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:58:07,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:58:07,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:58:07,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:58:07,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:58:07,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:58:07,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:58:07,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:58:07,777 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:58:07,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:58:07,777 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:58:07,777 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:58:08,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:58:08,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:58:08,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:58:08,031 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:58:08,032 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:58:08,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2023-03-31 00:58:09,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:58:09,537 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:58:09,538 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2023-03-31 00:58:09,555 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc55d60d3/e37f321c3e4a48d09200344438c44fb8/FLAGa1cdbe98f [2023-03-31 00:58:09,566 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc55d60d3/e37f321c3e4a48d09200344438c44fb8 [2023-03-31 00:58:09,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:58:09,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:58:09,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:58:09,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:58:09,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:58:09,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c4d63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09, skipping insertion in model container [2023-03-31 00:58:09,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:58:09,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:58:10,147 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_spec1_product14.cil.c[62671,62684] [2023-03-31 00:58:10,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:58:10,166 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:58:10,299 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_spec1_product14.cil.c[62671,62684] [2023-03-31 00:58:10,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:58:10,322 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:58:10,328 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:58:10,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10 WrapperNode [2023-03-31 00:58:10,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:58:10,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:58:10,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:58:10,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:58:10,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:58:10,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:58:10,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:58:10,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:58:10,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (1/1) ... [2023-03-31 00:58:10,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:58:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:10,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:58:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:58:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:58:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:58:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:58:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:58:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 00:58:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 00:58:10,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:58:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:58:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 00:58:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:58:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:58:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:58:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:58:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:58:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:58:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:58:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:58:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:58:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:58:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 00:58:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:58:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:58:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:58:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:58:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:58:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:58:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:58:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:58:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:58:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:58:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:58:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:58:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:58:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:58:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:58:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:58:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:58:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:58:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:58:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:58:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:58:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:58:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:58:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:58:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:58:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:58:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:58:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:58:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:58:10,893 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:58:10,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:58:12,126 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:58:12,148 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:58:12,148 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:58:12,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:58:12 BoogieIcfgContainer [2023-03-31 00:58:12,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:58:12,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:58:12,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:58:12,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:58:12,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:58:09" (1/3) ... [2023-03-31 00:58:12,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@803b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:58:12, skipping insertion in model container [2023-03-31 00:58:12,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:10" (2/3) ... [2023-03-31 00:58:12,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@803b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:58:12, skipping insertion in model container [2023-03-31 00:58:12,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:58:12" (3/3) ... [2023-03-31 00:58:12,162 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2023-03-31 00:58:12,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:58:12,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:58:12,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:58:12,249 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;@752bb459, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:58:12,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:58:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 517 states, 340 states have (on average 1.4676470588235293) internal successors, (499), 347 states have internal predecessors, (499), 104 states have call successors, (104), 65 states have call predecessors, (104), 65 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2023-03-31 00:58:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 00:58:12,276 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:12,277 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] [2023-03-31 00:58:12,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:12,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:12,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1433618596, now seen corresponding path program 1 times [2023-03-31 00:58:12,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:12,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699529138] [2023-03-31 00:58:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:12,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:58:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 00:58:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:58:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:58:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:58:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:13,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:13,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699529138] [2023-03-31 00:58:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699529138] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:13,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:13,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:58:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731858799] [2023-03-31 00:58:13,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:13,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:58:13,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:13,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:58:13,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:58:13,813 INFO L87 Difference]: Start difference. First operand has 517 states, 340 states have (on average 1.4676470588235293) internal successors, (499), 347 states have internal predecessors, (499), 104 states have call successors, (104), 65 states have call predecessors, (104), 65 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 00:58:22,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:22,016 INFO L93 Difference]: Finished difference Result 1067 states and 1650 transitions. [2023-03-31 00:58:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 00:58:22,019 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 154 [2023-03-31 00:58:22,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:22,036 INFO L225 Difference]: With dead ends: 1067 [2023-03-31 00:58:22,036 INFO L226 Difference]: Without dead ends: 774 [2023-03-31 00:58:22,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:58:22,045 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2235 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 996 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 996 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:22,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 85 Invalid, 2949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [996 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-03-31 00:58:22,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2023-03-31 00:58:22,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 466. [2023-03-31 00:58:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 312 states have (on average 1.4871794871794872) internal successors, (464), 316 states have internal predecessors, (464), 94 states have call successors, (94), 63 states have call predecessors, (94), 59 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-03-31 00:58:22,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 647 transitions. [2023-03-31 00:58:22,407 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 647 transitions. Word has length 154 [2023-03-31 00:58:22,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:22,407 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 647 transitions. [2023-03-31 00:58:22,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 00:58:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 647 transitions. [2023-03-31 00:58:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 00:58:22,413 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:22,413 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] [2023-03-31 00:58:22,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:58:22,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:22,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:22,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1933307100, now seen corresponding path program 1 times [2023-03-31 00:58:22,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:22,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845987002] [2023-03-31 00:58:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:22,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:58:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 00:58:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:58:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:58:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:23,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:23,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845987002] [2023-03-31 00:58:23,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845987002] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:23,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207799261] [2023-03-31 00:58:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:23,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:23,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:23,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:23,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:58:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 2144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:58:24,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:24,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:24,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207799261] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:24,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:24,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:24,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252607207] [2023-03-31 00:58:24,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:24,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:24,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:24,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:24,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:24,096 INFO L87 Difference]: Start difference. First operand 466 states and 647 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 00:58:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:24,407 INFO L93 Difference]: Finished difference Result 670 states and 916 transitions. [2023-03-31 00:58:24,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:24,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 155 [2023-03-31 00:58:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:24,415 INFO L225 Difference]: With dead ends: 670 [2023-03-31 00:58:24,415 INFO L226 Difference]: Without dead ends: 469 [2023-03-31 00:58:24,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:24,420 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:24,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1288 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:24,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-03-31 00:58:24,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2023-03-31 00:58:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 314 states have (on average 1.484076433121019) internal successors, (466), 318 states have internal predecessors, (466), 94 states have call successors, (94), 63 states have call predecessors, (94), 59 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-03-31 00:58:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 649 transitions. [2023-03-31 00:58:24,727 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 649 transitions. Word has length 155 [2023-03-31 00:58:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:24,728 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 649 transitions. [2023-03-31 00:58:24,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 00:58:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 649 transitions. [2023-03-31 00:58:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-03-31 00:58:24,731 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:24,732 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] [2023-03-31 00:58:24,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:24,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:24,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:24,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2102148376, now seen corresponding path program 1 times [2023-03-31 00:58:24,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:24,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022901531] [2023-03-31 00:58:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 00:58:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:58:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:58:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:58:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 00:58:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:26,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:26,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022901531] [2023-03-31 00:58:26,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022901531] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:26,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260541104] [2023-03-31 00:58:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:26,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:26,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:26,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:26,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:58:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 2156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:26,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:26,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260541104] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:26,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477294689] [2023-03-31 00:58:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:26,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:26,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:26,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:26,571 INFO L87 Difference]: Start difference. First operand 468 states and 649 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 00:58:26,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:26,901 INFO L93 Difference]: Finished difference Result 912 states and 1296 transitions. [2023-03-31 00:58:26,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:26,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-03-31 00:58:26,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:26,905 INFO L225 Difference]: With dead ends: 912 [2023-03-31 00:58:26,905 INFO L226 Difference]: Without dead ends: 509 [2023-03-31 00:58:26,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:26,907 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 52 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:26,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1296 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2023-03-31 00:58:27,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 508. [2023-03-31 00:58:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 346 states have (on average 1.5) internal successors, (519), 350 states have internal predecessors, (519), 102 states have call successors, (102), 63 states have call predecessors, (102), 59 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2023-03-31 00:58:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 718 transitions. [2023-03-31 00:58:27,247 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 718 transitions. Word has length 161 [2023-03-31 00:58:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:27,247 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 718 transitions. [2023-03-31 00:58:27,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 00:58:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 718 transitions. [2023-03-31 00:58:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-03-31 00:58:27,250 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:27,251 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] [2023-03-31 00:58:27,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:27,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 00:58:27,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:27,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:27,459 INFO L85 PathProgramCache]: Analyzing trace with hash 528612146, now seen corresponding path program 1 times [2023-03-31 00:58:27,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:27,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961139190] [2023-03-31 00:58:27,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:27,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 00:58:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 00:58:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:58:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:58:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:58:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:28,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:28,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961139190] [2023-03-31 00:58:28,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961139190] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:28,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417165015] [2023-03-31 00:58:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:28,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:28,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:28,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:28,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:58:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 2161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:58:28,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:29,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:29,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417165015] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:29,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:29,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 23 [2023-03-31 00:58:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901566061] [2023-03-31 00:58:29,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:29,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:29,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:29,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-03-31 00:58:29,182 INFO L87 Difference]: Start difference. First operand 508 states and 718 transitions. Second operand has 9 states, 7 states have (on average 13.714285714285714) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-03-31 00:58:30,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:30,184 INFO L93 Difference]: Finished difference Result 994 states and 1416 transitions. [2023-03-31 00:58:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:58:30,184 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.714285714285714) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) Word has length 162 [2023-03-31 00:58:30,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:30,188 INFO L225 Difference]: With dead ends: 994 [2023-03-31 00:58:30,188 INFO L226 Difference]: Without dead ends: 522 [2023-03-31 00:58:30,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:58:30,190 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 611 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:30,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 3442 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:58:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2023-03-31 00:58:30,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2023-03-31 00:58:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 357 states have (on average 1.5014005602240896) internal successors, (536), 362 states have internal predecessors, (536), 102 states have call successors, (102), 65 states have call predecessors, (102), 62 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2023-03-31 00:58:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 736 transitions. [2023-03-31 00:58:30,489 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 736 transitions. Word has length 162 [2023-03-31 00:58:30,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:30,489 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 736 transitions. [2023-03-31 00:58:30,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.714285714285714) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-03-31 00:58:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 736 transitions. [2023-03-31 00:58:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-03-31 00:58:30,492 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:30,492 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] [2023-03-31 00:58:30,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-31 00:58:30,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:30,700 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:30,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:30,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1345210751, now seen corresponding path program 1 times [2023-03-31 00:58:30,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:30,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823354715] [2023-03-31 00:58:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:30,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:58:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 00:58:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 00:58:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:58:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:58:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:58:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:58:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:58:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:31,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823354715] [2023-03-31 00:58:31,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823354715] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962145466] [2023-03-31 00:58:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:31,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:31,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:31,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:58:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 2162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:58:32,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:32,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962145466] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:32,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:32,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 22 [2023-03-31 00:58:32,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731520748] [2023-03-31 00:58:32,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:32,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:58:32,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:58:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:58:32,325 INFO L87 Difference]: Start difference. First operand 522 states and 736 transitions. Second operand has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) [2023-03-31 00:58:33,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:33,089 INFO L93 Difference]: Finished difference Result 995 states and 1420 transitions. [2023-03-31 00:58:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:58:33,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) Word has length 163 [2023-03-31 00:58:33,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:33,092 INFO L225 Difference]: With dead ends: 995 [2023-03-31 00:58:33,092 INFO L226 Difference]: Without dead ends: 524 [2023-03-31 00:58:33,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:58:33,094 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 597 mSDsluCounter, 1991 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 2642 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:33,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 2642 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:58:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-03-31 00:58:33,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2023-03-31 00:58:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 358 states have (on average 1.5) internal successors, (537), 364 states have internal predecessors, (537), 102 states have call successors, (102), 65 states have call predecessors, (102), 63 states have return successors, (100), 96 states have call predecessors, (100), 97 states have call successors, (100) [2023-03-31 00:58:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 739 transitions. [2023-03-31 00:58:33,357 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 739 transitions. Word has length 163 [2023-03-31 00:58:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:33,357 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 739 transitions. [2023-03-31 00:58:33,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) [2023-03-31 00:58:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 739 transitions. [2023-03-31 00:58:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-03-31 00:58:33,360 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:33,361 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] [2023-03-31 00:58:33,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-31 00:58:33,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:33,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:33,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:33,571 INFO L85 PathProgramCache]: Analyzing trace with hash -967446438, now seen corresponding path program 1 times [2023-03-31 00:58:33,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:33,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997785282] [2023-03-31 00:58:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 00:58:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 00:58:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:58:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:58:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:58:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:58:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:34,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997785282] [2023-03-31 00:58:34,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997785282] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:34,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:34,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-03-31 00:58:34,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946588250] [2023-03-31 00:58:34,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:34,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 00:58:34,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:34,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 00:58:34,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 00:58:34,551 INFO L87 Difference]: Start difference. First operand 524 states and 739 transitions. Second operand has 17 states, 14 states have (on average 6.5) internal successors, (91), 9 states have internal predecessors, (91), 6 states have call successors, (36), 10 states have call predecessors, (36), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-03-31 00:58:46,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:46,719 INFO L93 Difference]: Finished difference Result 1397 states and 2136 transitions. [2023-03-31 00:58:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-31 00:58:46,720 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.5) internal successors, (91), 9 states have internal predecessors, (91), 6 states have call successors, (36), 10 states have call predecessors, (36), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) Word has length 164 [2023-03-31 00:58:46,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:46,725 INFO L225 Difference]: With dead ends: 1397 [2023-03-31 00:58:46,726 INFO L226 Difference]: Without dead ends: 932 [2023-03-31 00:58:46,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2023-03-31 00:58:46,728 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1903 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7374 mSolverCounterSat, 924 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 8298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 7374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:46,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 79 Invalid, 8298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [924 Valid, 7374 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-03-31 00:58:46,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2023-03-31 00:58:46,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 534. [2023-03-31 00:58:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 367 states have (on average 1.4959128065395095) internal successors, (549), 372 states have internal predecessors, (549), 102 states have call successors, (102), 67 states have call predecessors, (102), 64 states have return successors, (99), 96 states have call predecessors, (99), 97 states have call successors, (99) [2023-03-31 00:58:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 750 transitions. [2023-03-31 00:58:46,975 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 750 transitions. Word has length 164 [2023-03-31 00:58:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:46,976 INFO L495 AbstractCegarLoop]: Abstraction has 534 states and 750 transitions. [2023-03-31 00:58:46,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.5) internal successors, (91), 9 states have internal predecessors, (91), 6 states have call successors, (36), 10 states have call predecessors, (36), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-03-31 00:58:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 750 transitions. [2023-03-31 00:58:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-03-31 00:58:46,979 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:46,979 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] [2023-03-31 00:58:46,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 00:58:46,979 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:46,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:46,980 INFO L85 PathProgramCache]: Analyzing trace with hash -110836305, now seen corresponding path program 2 times [2023-03-31 00:58:46,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:46,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722796086] [2023-03-31 00:58:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 00:58:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:58:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:58:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:58:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:58:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 00:58:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:47,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:47,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722796086] [2023-03-31 00:58:47,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722796086] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:47,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:47,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 00:58:47,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761520904] [2023-03-31 00:58:47,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:47,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 00:58:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 00:58:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:47,915 INFO L87 Difference]: Start difference. First operand 534 states and 750 transitions. Second operand has 18 states, 15 states have (on average 6.333333333333333) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (36), 10 states have call predecessors, (36), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-03-31 00:58:59,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:59,750 INFO L93 Difference]: Finished difference Result 1399 states and 2141 transitions. [2023-03-31 00:58:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-31 00:58:59,750 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.333333333333333) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (36), 10 states have call predecessors, (36), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 165 [2023-03-31 00:58:59,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:59,756 INFO L225 Difference]: With dead ends: 1399 [2023-03-31 00:58:59,756 INFO L226 Difference]: Without dead ends: 945 [2023-03-31 00:58:59,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=421, Invalid=1741, Unknown=0, NotChecked=0, Total=2162 [2023-03-31 00:58:59,758 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3096 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 8562 mSolverCounterSat, 1401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 9963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1401 IncrementalHoareTripleChecker+Valid, 8562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:59,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 84 Invalid, 9963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1401 Valid, 8562 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-03-31 00:58:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2023-03-31 00:59:00,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 539. [2023-03-31 00:59:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 369 states have (on average 1.4932249322493225) internal successors, (551), 375 states have internal predecessors, (551), 103 states have call successors, (103), 67 states have call predecessors, (103), 66 states have return successors, (102), 98 states have call predecessors, (102), 98 states have call successors, (102) [2023-03-31 00:59:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 756 transitions. [2023-03-31 00:59:00,025 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 756 transitions. Word has length 165 [2023-03-31 00:59:00,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:00,025 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 756 transitions. [2023-03-31 00:59:00,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.333333333333333) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (36), 10 states have call predecessors, (36), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-03-31 00:59:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 756 transitions. [2023-03-31 00:59:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-03-31 00:59:00,028 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:00,028 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] [2023-03-31 00:59:00,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 00:59:00,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:00,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:00,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1386024466, now seen corresponding path program 3 times [2023-03-31 00:59:00,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:00,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634433454] [2023-03-31 00:59:00,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:59:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:59:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:59:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:59:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat