/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:59:01,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:59:01,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:59:01,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:59:01,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:59:01,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:59:01,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:59:01,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:59:01,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:59:01,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:59:01,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:59:01,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:59:01,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:59:01,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:59:01,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:59:01,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:59:01,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:59:01,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:59:01,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:59:01,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:59:01,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:59:01,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:59:01,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:59:01,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:59:01,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:59:01,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:59:01,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:59:01,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:59:01,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:59:01,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:59:01,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:59:01,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:59:01,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:59:01,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:59:01,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:59:01,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:59:01,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:59:01,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:59:01,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:59:01,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:59:01,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:59:01,628 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 00:59:01,655 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:59:01,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:59:01,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:59:01,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:59:01,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:59:01,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:59:01,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:59:01,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:59:01,658 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:59:01,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:59:01,659 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:59:01,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:59:01,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:59:01,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:59:01,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:59:01,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:59:01,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:59:01,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:59:01,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:59:01,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:59:01,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:59:01,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:59:01,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:59:01,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:59:01,662 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:59:01,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:59:01,663 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:59:01,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:59:01,663 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:59:01,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:59:01,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:59:01,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:59:01,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:59:01,901 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:59:01,901 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:59:01,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2023-03-31 00:59:03,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:59:03,509 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:59:03,509 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2023-03-31 00:59:03,531 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dd95da98/c89995cdc2ca4becad5b976b49779f4a/FLAG73c6b4615 [2023-03-31 00:59:03,546 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dd95da98/c89995cdc2ca4becad5b976b49779f4a [2023-03-31 00:59:03,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:59:03,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:59:03,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:59:03,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:59:03,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:59:03,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:59:03" (1/1) ... [2023-03-31 00:59:03,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b356135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:03, skipping insertion in model container [2023-03-31 00:59:03,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:59:03" (1/1) ... [2023-03-31 00:59:03,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:59:03,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:59:04,117 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_product32.cil.c[65472,65485] [2023-03-31 00:59:04,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:59:04,152 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:59:04,266 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_product32.cil.c[65472,65485] [2023-03-31 00:59:04,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:59:04,292 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:59:04,298 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:59:04,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04 WrapperNode [2023-03-31 00:59:04,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:59:04,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:59:04,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:59:04,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:59:04,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:59:04,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:59:04,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:59:04,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:59:04,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (1/1) ... [2023-03-31 00:59:04,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:59:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:04,509 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 00:59:04,530 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 00:59:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:59:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:59:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 00:59:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:59:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:59:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:59:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:59:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:59:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-03-31 00:59:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:59:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:59:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:59:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:59:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:59:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:59:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:59:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:59:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:59:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:59:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:59:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:59:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:59:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:59:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:59:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:59:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:59:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:59:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 00:59:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 00:59:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 00:59:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:59:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:59:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 00:59:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:59:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:59:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:59:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:59:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:59:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:59:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:59:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:59:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:59:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:59:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:59:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:59:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:59:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:59:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:59:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:59:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:59:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:59:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:59:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:59:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:59:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:59:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:59:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:59:04,951 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:59:04,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:59:06,014 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:59:06,033 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:59:06,034 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:59:06,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:59:06 BoogieIcfgContainer [2023-03-31 00:59:06,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:59:06,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:59:06,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:59:06,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:59:06,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:59:03" (1/3) ... [2023-03-31 00:59:06,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e409d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:59:06, skipping insertion in model container [2023-03-31 00:59:06,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:59:04" (2/3) ... [2023-03-31 00:59:06,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e409d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:59:06, skipping insertion in model container [2023-03-31 00:59:06,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:59:06" (3/3) ... [2023-03-31 00:59:06,046 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product32.cil.c [2023-03-31 00:59:06,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:59:06,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:59:06,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:59:06,171 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;@40a9ed3d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:59:06,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:59:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 637 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 425 states have internal predecessors, (600), 130 states have call successors, (130), 82 states have call predecessors, (130), 82 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) [2023-03-31 00:59:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-03-31 00:59:06,202 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:06,203 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:06,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:06,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1022546875, now seen corresponding path program 1 times [2023-03-31 00:59:06,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:06,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135779706] [2023-03-31 00:59:06,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:06,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:59:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:59:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:59:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:59:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:59:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:59:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 00:59:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:59:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:07,821 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 00:59:07,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:07,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135779706] [2023-03-31 00:59:07,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135779706] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:07,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:59:07,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 00:59:07,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937244521] [2023-03-31 00:59:07,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:07,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 00:59:07,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:07,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 00:59:07,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:59:07,873 INFO L87 Difference]: Start difference. First operand has 637 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 425 states have internal predecessors, (600), 130 states have call successors, (130), 82 states have call predecessors, (130), 82 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) Second operand has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:18,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:18,569 INFO L93 Difference]: Finished difference Result 1456 states and 2256 transitions. [2023-03-31 00:59:18,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-31 00:59:18,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 167 [2023-03-31 00:59:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:18,608 INFO L225 Difference]: With dead ends: 1456 [2023-03-31 00:59:18,608 INFO L226 Difference]: Without dead ends: 988 [2023-03-31 00:59:18,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-03-31 00:59:18,617 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 4021 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 2130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4066 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 4162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2130 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-03-31 00:59:18,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4066 Valid, 113 Invalid, 4162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2130 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-03-31 00:59:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2023-03-31 00:59:18,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 580. [2023-03-31 00:59:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 384 states have (on average 1.4609375) internal successors, (561), 391 states have internal predecessors, (561), 118 states have call successors, (118), 81 states have call predecessors, (118), 77 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-03-31 00:59:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 792 transitions. [2023-03-31 00:59:19,001 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 792 transitions. Word has length 167 [2023-03-31 00:59:19,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:19,002 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 792 transitions. [2023-03-31 00:59:19,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 792 transitions. [2023-03-31 00:59:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-03-31 00:59:19,007 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:19,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:19,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:59:19,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:19,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash -852047403, now seen corresponding path program 1 times [2023-03-31 00:59:19,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:19,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315965961] [2023-03-31 00:59:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:19,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:59:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:59:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:59:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:59:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:59:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:59:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:59:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:59:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,225 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 00:59:20,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:20,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315965961] [2023-03-31 00:59:20,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315965961] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:20,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037711945] [2023-03-31 00:59:20,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:20,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:20,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:20,229 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 00:59:20,261 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 00:59:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:20,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 2561 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:59:20,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:20,789 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 00:59:20,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:20,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037711945] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:20,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:20,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:59:20,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307490446] [2023-03-31 00:59:20,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:20,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:59:20,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:20,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:59:20,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:20,800 INFO L87 Difference]: Start difference. First operand 580 states and 792 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:21,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:21,234 INFO L93 Difference]: Finished difference Result 887 states and 1192 transitions. [2023-03-31 00:59:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:59:21,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 168 [2023-03-31 00:59:21,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:21,239 INFO L225 Difference]: With dead ends: 887 [2023-03-31 00:59:21,239 INFO L226 Difference]: Without dead ends: 583 [2023-03-31 00:59:21,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:21,242 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 1 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1578 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 00:59:21,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1578 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:59:21,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2023-03-31 00:59:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 582. [2023-03-31 00:59:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 386 states have (on average 1.4585492227979275) internal successors, (563), 393 states have internal predecessors, (563), 118 states have call successors, (118), 81 states have call predecessors, (118), 77 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-03-31 00:59:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 794 transitions. [2023-03-31 00:59:21,593 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 794 transitions. Word has length 168 [2023-03-31 00:59:21,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:21,594 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 794 transitions. [2023-03-31 00:59:21,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 794 transitions. [2023-03-31 00:59:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-03-31 00:59:21,597 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:21,597 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:21,607 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 00:59:21,806 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 00:59:21,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:21,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1587820357, now seen corresponding path program 1 times [2023-03-31 00:59:21,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:21,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501278525] [2023-03-31 00:59:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 00:59:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:59:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:59:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:59:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:59:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:59:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:59:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:59:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:22,954 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 00:59:22,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:22,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501278525] [2023-03-31 00:59:22,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501278525] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:22,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565537929] [2023-03-31 00:59:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:22,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:22,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:22,956 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 00:59:22,959 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 00:59:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:23,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 2577 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:59:23,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:23,475 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 00:59:23,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:23,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565537929] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:23,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:23,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:59:23,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862027110] [2023-03-31 00:59:23,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:23,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:59:23,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:23,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:59:23,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:23,478 INFO L87 Difference]: Start difference. First operand 582 states and 794 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:23,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:23,888 INFO L93 Difference]: Finished difference Result 1142 states and 1589 transitions. [2023-03-31 00:59:23,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:59:23,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2023-03-31 00:59:23,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:23,892 INFO L225 Difference]: With dead ends: 1142 [2023-03-31 00:59:23,893 INFO L226 Difference]: Without dead ends: 625 [2023-03-31 00:59:23,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:23,895 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 53 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1586 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 00:59:23,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1586 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:59:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-03-31 00:59:24,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 624. [2023-03-31 00:59:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 419 states have (on average 1.4725536992840096) internal successors, (617), 426 states have internal predecessors, (617), 127 states have call successors, (127), 81 states have call predecessors, (127), 77 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2023-03-31 00:59:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 866 transitions. [2023-03-31 00:59:24,259 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 866 transitions. Word has length 178 [2023-03-31 00:59:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:24,260 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 866 transitions. [2023-03-31 00:59:24,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 866 transitions. [2023-03-31 00:59:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-03-31 00:59:24,263 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:24,263 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:24,274 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 00:59:24,471 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 00:59:24,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:24,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:24,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1613873737, now seen corresponding path program 1 times [2023-03-31 00:59:24,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:24,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251292428] [2023-03-31 00:59:24,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:59:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:59:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:59:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:59:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:59:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:59:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:59:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:59:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:25,563 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 00:59:25,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:25,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251292428] [2023-03-31 00:59:25,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251292428] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345050859] [2023-03-31 00:59:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:25,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:25,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:25,569 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 00:59:25,577 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 00:59:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 2582 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:59:26,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:26,134 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 00:59:26,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:26,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345050859] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:26,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:26,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:59:26,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999645204] [2023-03-31 00:59:26,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:26,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:59:26,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:26,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:59:26,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:26,138 INFO L87 Difference]: Start difference. First operand 624 states and 866 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:26,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:26,627 INFO L93 Difference]: Finished difference Result 1265 states and 1800 transitions. [2023-03-31 00:59:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:59:26,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2023-03-31 00:59:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:26,632 INFO L225 Difference]: With dead ends: 1265 [2023-03-31 00:59:26,632 INFO L226 Difference]: Without dead ends: 706 [2023-03-31 00:59:26,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:26,635 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 51 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1586 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 00:59:26,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1586 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:59:26,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-03-31 00:59:27,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 705. [2023-03-31 00:59:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 483 states have (on average 1.4927536231884058) internal successors, (721), 490 states have internal predecessors, (721), 144 states have call successors, (144), 81 states have call predecessors, (144), 77 states have return successors, (139), 138 states have call predecessors, (139), 139 states have call successors, (139) [2023-03-31 00:59:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1004 transitions. [2023-03-31 00:59:27,063 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1004 transitions. Word has length 179 [2023-03-31 00:59:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:27,064 INFO L495 AbstractCegarLoop]: Abstraction has 705 states and 1004 transitions. [2023-03-31 00:59:27,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1004 transitions. [2023-03-31 00:59:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-03-31 00:59:27,067 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:27,067 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:27,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 00:59:27,276 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 00:59:27,276 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:27,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash 542338597, now seen corresponding path program 1 times [2023-03-31 00:59:27,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:27,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638301178] [2023-03-31 00:59:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:59:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:59:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:59:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:59:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:59:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:59:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:59:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 00:59:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,369 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 00:59:28,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:28,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638301178] [2023-03-31 00:59:28,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638301178] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:28,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257490353] [2023-03-31 00:59:28,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:28,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:28,371 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 00:59:28,375 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 00:59:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:28,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:59:28,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:28,925 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 00:59:28,926 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:28,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257490353] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:28,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:28,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:59:28,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744647716] [2023-03-31 00:59:28,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:28,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:59:28,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:28,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:59:28,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:28,928 INFO L87 Difference]: Start difference. First operand 705 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:29,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:29,551 INFO L93 Difference]: Finished difference Result 1502 states and 2204 transitions. [2023-03-31 00:59:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:59:29,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2023-03-31 00:59:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:29,566 INFO L225 Difference]: With dead ends: 1502 [2023-03-31 00:59:29,566 INFO L226 Difference]: Without dead ends: 862 [2023-03-31 00:59:29,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:29,568 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 49 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1580 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 00:59:29,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1580 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:59:29,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2023-03-31 00:59:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 861. [2023-03-31 00:59:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 607 states have (on average 1.5172981878088962) internal successors, (921), 614 states have internal predecessors, (921), 176 states have call successors, (176), 81 states have call predecessors, (176), 77 states have return successors, (171), 170 states have call predecessors, (171), 171 states have call successors, (171) [2023-03-31 00:59:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1268 transitions. [2023-03-31 00:59:30,061 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1268 transitions. Word has length 180 [2023-03-31 00:59:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:30,062 INFO L495 AbstractCegarLoop]: Abstraction has 861 states and 1268 transitions. [2023-03-31 00:59:30,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1268 transitions. [2023-03-31 00:59:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-03-31 00:59:30,066 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:30,066 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:30,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 00:59:30,275 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 00:59:30,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:30,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:30,276 INFO L85 PathProgramCache]: Analyzing trace with hash -869983383, now seen corresponding path program 1 times [2023-03-31 00:59:30,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:30,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139425012] [2023-03-31 00:59:30,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:30,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:59:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:59:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:59:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:59:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:59:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 00:59:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:59:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 00:59:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,349 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 00:59:31,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:31,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139425012] [2023-03-31 00:59:31,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139425012] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:31,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121103247] [2023-03-31 00:59:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:31,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:31,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:31,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:59:31,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 00:59:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:31,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:59:31,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:31,858 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 00:59:31,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:31,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121103247] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:31,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:31,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:59:31,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648072328] [2023-03-31 00:59:31,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:31,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:59:31,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:31,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:59:31,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:31,861 INFO L87 Difference]: Start difference. First operand 861 states and 1268 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:32,620 INFO L93 Difference]: Finished difference Result 1958 states and 2976 transitions. [2023-03-31 00:59:32,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:59:32,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2023-03-31 00:59:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:32,627 INFO L225 Difference]: With dead ends: 1958 [2023-03-31 00:59:32,627 INFO L226 Difference]: Without dead ends: 1162 [2023-03-31 00:59:32,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:32,630 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 47 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1576 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 00:59:32,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1576 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:59:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2023-03-31 00:59:33,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1161. [2023-03-31 00:59:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 847 states have (on average 1.5407319952774499) internal successors, (1305), 854 states have internal predecessors, (1305), 236 states have call successors, (236), 81 states have call predecessors, (236), 77 states have return successors, (231), 230 states have call predecessors, (231), 231 states have call successors, (231) [2023-03-31 00:59:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1772 transitions. [2023-03-31 00:59:33,272 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1772 transitions. Word has length 181 [2023-03-31 00:59:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:33,272 INFO L495 AbstractCegarLoop]: Abstraction has 1161 states and 1772 transitions. [2023-03-31 00:59:33,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:59:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1772 transitions. [2023-03-31 00:59:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-03-31 00:59:33,278 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:33,278 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:33,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 00:59:33,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:33,489 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:33,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:33,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1174180944, now seen corresponding path program 1 times [2023-03-31 00:59:33,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:33,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029485846] [2023-03-31 00:59:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:33,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:59:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 00:59:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:59:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:59:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:59:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:59:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:59:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:59:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 00:59:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:59:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,477 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 00:59:34,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:34,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029485846] [2023-03-31 00:59:34,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029485846] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:34,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164735152] [2023-03-31 00:59:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:34,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:34,479 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:59:34,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 00:59:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:34,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 2619 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:59:34,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:35,168 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 00:59:35,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:35,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164735152] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:35,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:35,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 00:59:35,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396862480] [2023-03-31 00:59:35,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:35,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:59:35,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:35,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:59:35,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:59:35,171 INFO L87 Difference]: Start difference. First operand 1161 states and 1772 transitions. Second operand has 9 states, 7 states have (on average 15.571428571428571) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (41), 3 states have call predecessors, (41), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 00:59:36,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:36,830 INFO L93 Difference]: Finished difference Result 2300 states and 3524 transitions. [2023-03-31 00:59:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:59:36,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.571428571428571) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (41), 3 states have call predecessors, (41), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 184 [2023-03-31 00:59:36,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:36,836 INFO L225 Difference]: With dead ends: 2300 [2023-03-31 00:59:36,836 INFO L226 Difference]: Without dead ends: 1175 [2023-03-31 00:59:36,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-03-31 00:59:36,840 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 747 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 4300 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:59:36,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 4300 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 00:59:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2023-03-31 00:59:37,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2023-03-31 00:59:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 858 states have (on average 1.5407925407925407) internal successors, (1322), 866 states have internal predecessors, (1322), 236 states have call successors, (236), 83 states have call predecessors, (236), 80 states have return successors, (232), 230 states have call predecessors, (232), 231 states have call successors, (232) [2023-03-31 00:59:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1790 transitions. [2023-03-31 00:59:37,587 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1790 transitions. Word has length 184 [2023-03-31 00:59:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:37,588 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1790 transitions. [2023-03-31 00:59:37,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.571428571428571) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (41), 3 states have call predecessors, (41), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 00:59:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1790 transitions. [2023-03-31 00:59:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-03-31 00:59:37,593 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:37,594 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:37,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 00:59:37,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:37,809 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:37,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:37,810 INFO L85 PathProgramCache]: Analyzing trace with hash -147886813, now seen corresponding path program 1 times [2023-03-31 00:59:37,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:37,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119936843] [2023-03-31 00:59:37,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:37,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:59:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:59:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 00:59:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:59:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:59:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:59:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:59:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:59:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:59:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 00:59:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 00:59:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:38,824 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 00:59:38,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119936843] [2023-03-31 00:59:38,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119936843] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:59:38,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417796451] [2023-03-31 00:59:38,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:38,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:59:38,826 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:59:38,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-31 00:59:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:39,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:59:39,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:59:39,419 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 00:59:39,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:59:39,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417796451] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:39,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:59:39,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 00:59:39,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747437322] [2023-03-31 00:59:39,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:39,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:59:39,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:39,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:59:39,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:59:39,422 INFO L87 Difference]: Start difference. First operand 1175 states and 1790 transitions. Second operand has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (41), 3 states have call predecessors, (41), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 00:59:40,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:59:40,603 INFO L93 Difference]: Finished difference Result 2301 states and 3534 transitions. [2023-03-31 00:59:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:59:40,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (41), 3 states have call predecessors, (41), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 185 [2023-03-31 00:59:40,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:59:40,608 INFO L225 Difference]: With dead ends: 2301 [2023-03-31 00:59:40,609 INFO L226 Difference]: Without dead ends: 1177 [2023-03-31 00:59:40,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:59:40,613 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 742 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 3175 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:59:40,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 3175 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:59:40,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-03-31 00:59:41,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1177. [2023-03-31 00:59:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 859 states have (on average 1.540162980209546) internal successors, (1323), 868 states have internal predecessors, (1323), 236 states have call successors, (236), 83 states have call predecessors, (236), 81 states have return successors, (234), 230 states have call predecessors, (234), 231 states have call successors, (234) [2023-03-31 00:59:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1793 transitions. [2023-03-31 00:59:41,288 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1793 transitions. Word has length 185 [2023-03-31 00:59:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:59:41,289 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1793 transitions. [2023-03-31 00:59:41,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (41), 3 states have call predecessors, (41), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 00:59:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1793 transitions. [2023-03-31 00:59:41,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-03-31 00:59:41,294 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:59:41,294 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:59:41,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-31 00:59:41,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:59:41,503 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:59:41,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:59:41,504 INFO L85 PathProgramCache]: Analyzing trace with hash 444948377, now seen corresponding path program 1 times [2023-03-31 00:59:41,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:59:41,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398520844] [2023-03-31 00:59:41,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:59:41,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:59:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:59:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:59:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:59:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:59:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:59:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:59:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:59:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 00:59:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:59:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:59:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:59:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:59:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:59:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:59:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:59:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:59:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:59:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 00:59:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:59:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:59:42,466 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 00:59:42,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:59:42,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398520844] [2023-03-31 00:59:42,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398520844] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:59:42,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:59:42,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:59:42,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753050320] [2023-03-31 00:59:42,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:59:42,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:59:42,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:59:42,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:59:42,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:59:42,468 INFO L87 Difference]: Start difference. First operand 1177 states and 1793 transitions. Second operand has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 7 states have call successors, (41), 12 states have call predecessors, (41), 5 states have return successors, (30), 4 states have call predecessors, (30), 7 states have call successors, (30)