/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:38:38,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:38:38,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:38:38,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:38:38,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:38:38,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:38:38,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:38:38,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:38:38,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:38:38,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:38:38,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:38:38,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:38:38,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:38:38,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:38:38,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:38:38,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:38:38,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:38:38,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:38:38,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:38:38,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:38:38,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:38:38,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:38:38,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:38:38,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:38:38,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:38:38,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:38:38,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:38:38,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:38:38,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:38:38,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:38:38,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:38:38,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:38:38,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:38:38,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:38:38,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:38:38,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:38:38,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:38:38,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:38:38,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:38:38,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:38:38,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:38:38,707 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 [2019-11-06 21:38:38,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:38:38,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:38:38,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:38:38,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:38:38,743 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:38:38,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:38:38,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:38:38,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:38:38,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:38:38,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:38:38,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:38:38,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:38:38,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:38:38,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:38:38,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:38:38,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:38:38,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:38:38,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:38:38,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:38:38,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:38:38,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:38:38,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:38:38,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:38:38,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:38:38,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:38:38,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:38:38,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:38:38,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:38:38,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:38:39,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:38:39,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:38:39,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:38:39,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:38:39,033 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:38:39,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product07.cil.c [2019-11-06 21:38:39,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85a70d93/e5424dcdd95e4c4e89acf5569d3f1904/FLAGedf827723 [2019-11-06 21:38:39,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:38:39,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product07.cil.c [2019-11-06 21:38:39,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85a70d93/e5424dcdd95e4c4e89acf5569d3f1904/FLAGedf827723 [2019-11-06 21:38:39,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85a70d93/e5424dcdd95e4c4e89acf5569d3f1904 [2019-11-06 21:38:39,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:38:39,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:38:39,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:39,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:38:39,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:38:39,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176f763f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39, skipping insertion in model container [2019-11-06 21:38:39,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,946 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:38:40,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:38:40,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:40,689 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:38:40,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:40,903 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:38:40,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40 WrapperNode [2019-11-06 21:38:40,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:40,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:38:40,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:38:40,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:38:40,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:40,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:40,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:40,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:41,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:41,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:41,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... [2019-11-06 21:38:41,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:38:41,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:38:41,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:38:41,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:38:41,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:38:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:38:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:38:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:38:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:38:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:38:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:38:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:38:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:38:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:38:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:38:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:38:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:38:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:38:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:38:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:38:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:38:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:38:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:38:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:38:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:38:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:38:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:38:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:38:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:38:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:38:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:38:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:38:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:38:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:38:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:38:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:38:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:38:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:38:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:38:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:38:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:38:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:38:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:38:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:38:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:38:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:38:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:38:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:38:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:38:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:38:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:38:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:38:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:38:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:38:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:38:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:38:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:38:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:38:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:38:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:38:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:38:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:38:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:38:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:38:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:38:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:38:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:38:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:38:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:38:41,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:38:41,165 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-11-06 21:38:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:38:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:38:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:38:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:38:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:38:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:38:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:38:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:38:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:38:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:38:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:38:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:38:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:38:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:38:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:38:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:38:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:38:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:38:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:38:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:38:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:38:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:38:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:38:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:38:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:38:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:38:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:38:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:38:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:38:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:38:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:38:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:38:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:38:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:38:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:38:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:38:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:38:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:38:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:38:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:38:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:38:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:38:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:38:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:38:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:38:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:38:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:38:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:38:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:38:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:38:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:38:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:38:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:38:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:38:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:38:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:38:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:38:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:38:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:38:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:38:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:38:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:38:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:38:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:38:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:38:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:38:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:38:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:38:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:38:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:38:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:38:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:38:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:38:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:38:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:38:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:38:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:38:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:38:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:38:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:38:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:38:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:38:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:38:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:38:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:38:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:38:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:38:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:38:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:38:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:38:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:38:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:38:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:38:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:38:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-11-06 21:38:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:38:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:38:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:38:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:38:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:38:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:38:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:38:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:38:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:38:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:38:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:38:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:38:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:38:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:38:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:38:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:38:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:38:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:38:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:38:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:38:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:38:43,240 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:38:43,241 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:38:43,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:43 BoogieIcfgContainer [2019-11-06 21:38:43,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:38:43,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:38:43,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:38:43,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:38:43,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:38:39" (1/3) ... [2019-11-06 21:38:43,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11295a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:43, skipping insertion in model container [2019-11-06 21:38:43,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:40" (2/3) ... [2019-11-06 21:38:43,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11295a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:43, skipping insertion in model container [2019-11-06 21:38:43,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:43" (3/3) ... [2019-11-06 21:38:43,253 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product07.cil.c [2019-11-06 21:38:43,265 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:38:43,277 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:38:43,289 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:38:43,335 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:38:43,335 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:38:43,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:38:43,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:38:43,336 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:38:43,336 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:38:43,336 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:38:43,336 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:38:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2019-11-06 21:38:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-06 21:38:43,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:43,380 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:38:43,382 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:43,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1773553052, now seen corresponding path program 1 times [2019-11-06 21:38:43,399 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:43,399 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532033718] [2019-11-06 21:38:43,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,683 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 511 [2019-11-06 21:38:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:38:45,975 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532033718] [2019-11-06 21:38:45,976 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:45,976 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:38:45,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359034426] [2019-11-06 21:38:45,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:38:45,988 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:46,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:38:46,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:38:46,006 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 8 states. [2019-11-06 21:38:54,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:54,309 INFO L93 Difference]: Finished difference Result 672 states and 1005 transitions. [2019-11-06 21:38:54,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-06 21:38:54,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2019-11-06 21:38:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:54,333 INFO L225 Difference]: With dead ends: 672 [2019-11-06 21:38:54,334 INFO L226 Difference]: Without dead ends: 453 [2019-11-06 21:38:54,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:38:54,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-11-06 21:38:54,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 287. [2019-11-06 21:38:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2019-11-06 21:38:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 385 transitions. [2019-11-06 21:38:54,535 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 385 transitions. Word has length 134 [2019-11-06 21:38:54,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:54,536 INFO L462 AbstractCegarLoop]: Abstraction has 287 states and 385 transitions. [2019-11-06 21:38:54,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 21:38:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 385 transitions. [2019-11-06 21:38:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-06 21:38:54,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:54,541 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:38:54,541 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:54,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:54,542 INFO L82 PathProgramCache]: Analyzing trace with hash -406805330, now seen corresponding path program 1 times [2019-11-06 21:38:54,542 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:54,542 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469054209] [2019-11-06 21:38:54,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,156 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 511 [2019-11-06 21:38:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:38:56,390 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469054209] [2019-11-06 21:38:56,390 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:56,390 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:38:56,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646695927] [2019-11-06 21:38:56,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:38:56,393 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:56,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:38:56,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:38:56,394 INFO L87 Difference]: Start difference. First operand 287 states and 385 transitions. Second operand 9 states. [2019-11-06 21:38:58,704 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 514 [2019-11-06 21:39:05,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:39:05,242 INFO L93 Difference]: Finished difference Result 615 states and 875 transitions. [2019-11-06 21:39:05,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:39:05,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2019-11-06 21:39:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:39:05,249 INFO L225 Difference]: With dead ends: 615 [2019-11-06 21:39:05,249 INFO L226 Difference]: Without dead ends: 456 [2019-11-06 21:39:05,251 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:39:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2019-11-06 21:39:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 289. [2019-11-06 21:39:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2019-11-06 21:39:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 387 transitions. [2019-11-06 21:39:05,379 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 387 transitions. Word has length 135 [2019-11-06 21:39:05,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:39:05,379 INFO L462 AbstractCegarLoop]: Abstraction has 289 states and 387 transitions. [2019-11-06 21:39:05,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:39:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 387 transitions. [2019-11-06 21:39:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-06 21:39:05,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:39:05,382 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:39:05,383 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:39:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:39:05,383 INFO L82 PathProgramCache]: Analyzing trace with hash -365945431, now seen corresponding path program 1 times [2019-11-06 21:39:05,383 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:39:05,384 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446846099] [2019-11-06 21:39:05,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:39:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,949 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 511 [2019-11-06 21:39:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:39:07,240 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446846099] [2019-11-06 21:39:07,240 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:39:07,240 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:39:07,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524494835] [2019-11-06 21:39:07,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:39:07,242 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:39:07,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:39:07,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:39:07,243 INFO L87 Difference]: Start difference. First operand 289 states and 387 transitions. Second operand 12 states. [2019-11-06 21:39:08,866 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 513 [2019-11-06 21:39:18,363 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 515 [2019-11-06 21:39:19,727 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 515 [2019-11-06 21:39:21,054 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 515