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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:26:04,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:26:04,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:26:04,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:26:04,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:26:04,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:26:04,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:26:04,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:26:04,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:26:04,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:26:04,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:26:04,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:26:04,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:26:04,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:26:04,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:26:04,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:26:04,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:26:04,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:26:04,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:26:04,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:26:04,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:26:04,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:26:04,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:26:04,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:26:04,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:26:04,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:26:04,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:26:04,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:26:04,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:26:04,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:26:04,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:26:04,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:26:04,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:26:04,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:26:04,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:26:04,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:26:04,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:26:04,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:26:04,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:26:04,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:26:04,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:26:04,847 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 [2019-10-13 19:26:04,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:26:04,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:26:04,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:26:04,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:26:04,862 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:26:04,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:26:04,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:26:04,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:26:04,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:26:04,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:26:04,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:26:04,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:26:04,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:26:04,864 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:26:04,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:26:04,864 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:26:04,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:26:04,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:26:04,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:26:04,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:26:04,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:26:04,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:26:04,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:26:04,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:26:04,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:26:04,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:26:04,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:26:04,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:26:04,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:26:05,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:26:05,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:26:05,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:26:05,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:26:05,160 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:26:05,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product36.cil.c [2019-10-13 19:26:05,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07bd97b7/605b535db1ea48d8aae1c7a7eeeea759/FLAG748b3c5b0 [2019-10-13 19:26:05,844 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:26:05,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product36.cil.c [2019-10-13 19:26:05,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07bd97b7/605b535db1ea48d8aae1c7a7eeeea759/FLAG748b3c5b0 [2019-10-13 19:26:06,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07bd97b7/605b535db1ea48d8aae1c7a7eeeea759 [2019-10-13 19:26:06,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:26:06,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:26:06,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:26:06,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:26:06,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:26:06,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:06" (1/1) ... [2019-10-13 19:26:06,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792da0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:06, skipping insertion in model container [2019-10-13 19:26:06,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:06" (1/1) ... [2019-10-13 19:26:06,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:26:06,345 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:26:07,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:26:07,133 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:26:07,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:26:07,367 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:26:07,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07 WrapperNode [2019-10-13 19:26:07,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:26:07,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:26:07,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:26:07,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:26:07,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (1/1) ... [2019-10-13 19:26:07,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:26:07,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:26:07,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:26:07,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:26:07,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (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 [2019-10-13 19:26:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:26:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:26:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:26:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 19:26:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 19:26:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 19:26:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 19:26:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 19:26:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 19:26:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 19:26:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 19:26:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 19:26:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 19:26:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 19:26:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 19:26:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 19:26:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 19:26:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 19:26:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 19:26:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 19:26:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 19:26:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 19:26:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 19:26:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 19:26:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:26:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:26:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:26:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:26:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:26:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:26:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:26:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:26:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:26:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:26:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 19:26:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 19:26:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 19:26:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 19:26:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 19:26:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:26:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:26:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 19:26:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 19:26:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 19:26:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:26:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:26:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 19:26:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 19:26:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 19:26:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 19:26:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 19:26:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 19:26:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 19:26:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 19:26:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 19:26:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 19:26:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 19:26:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 19:26:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 19:26:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 19:26:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 19:26:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 19:26:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 19:26:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 19:26:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 19:26:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 19:26:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 19:26:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 19:26:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 19:26:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 19:26:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 19:26:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 19:26:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 19:26:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 19:26:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 19:26:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 19:26:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 19:26:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:26:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 19:26:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 19:26:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-13 19:26:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-13 19:26:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 19:26:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 19:26:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 19:26:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 19:26:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 19:26:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 19:26:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 19:26:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 19:26:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 19:26:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 19:26:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 19:26:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 19:26:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 19:26:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 19:26:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 19:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 19:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 19:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 19:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 19:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 19:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 19:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 19:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 19:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 19:26:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 19:26:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 19:26:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 19:26:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 19:26:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 19:26:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 19:26:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:26:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:26:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:26:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:26:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:26:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:26:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:26:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:26:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:26:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:26:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:26:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:26:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:26:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:26:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:26:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:26:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:26:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:26:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:26:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:26:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:26:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:26:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 19:26:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 19:26:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 19:26:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 19:26:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 19:26:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 19:26:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 19:26:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 19:26:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 19:26:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 19:26:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 19:26:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 19:26:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 19:26:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 19:26:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 19:26:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 19:26:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 19:26:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:26:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 19:26:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 19:26:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 19:26:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 19:26:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 19:26:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 19:26:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 19:26:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 19:26:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 19:26:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 19:26:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 19:26:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 19:26:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 19:26:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 19:26:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 19:26:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 19:26:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 19:26:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 19:26:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 19:26:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 19:26:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 19:26:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 19:26:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 19:26:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 19:26:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 19:26:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 19:26:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 19:26:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 19:26:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 19:26:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 19:26:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 19:26:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 19:26:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 19:26:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 19:26:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:26:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:26:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:26:09,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:26:09,570 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 19:26:09,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:09 BoogieIcfgContainer [2019-10-13 19:26:09,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:26:09,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:26:09,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:26:09,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:26:09,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:26:06" (1/3) ... [2019-10-13 19:26:09,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc00be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:26:09, skipping insertion in model container [2019-10-13 19:26:09,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:07" (2/3) ... [2019-10-13 19:26:09,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc00be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:26:09, skipping insertion in model container [2019-10-13 19:26:09,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:09" (3/3) ... [2019-10-13 19:26:09,581 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2019-10-13 19:26:09,591 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:26:09,602 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:26:09,614 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:26:09,653 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:26:09,653 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:26:09,654 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:26:09,654 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:26:09,654 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:26:09,654 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:26:09,654 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:26:09,654 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:26:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2019-10-13 19:26:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:26:09,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:26:09,730 INFO L380 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, 1] [2019-10-13 19:26:09,733 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:26:09,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:26:09,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1244426265, now seen corresponding path program 1 times [2019-10-13 19:26:09,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:26:09,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935360041] [2019-10-13 19:26:09,753 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:26:09,753 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:26:09,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:26:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,278 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 517 [2019-10-13 19:26:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 19:26:12,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935360041] [2019-10-13 19:26:12,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:26:12,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:26:12,606 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121441603] [2019-10-13 19:26:12,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:26:12,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:26:12,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:26:12,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:26:12,628 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 8 states. [2019-10-13 19:26:21,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:26:21,051 INFO L93 Difference]: Finished difference Result 775 states and 1147 transitions. [2019-10-13 19:26:21,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 19:26:21,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2019-10-13 19:26:21,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:26:21,073 INFO L225 Difference]: With dead ends: 775 [2019-10-13 19:26:21,073 INFO L226 Difference]: Without dead ends: 520 [2019-10-13 19:26:21,080 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:26:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-10-13 19:26:21,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 334. [2019-10-13 19:26:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-13 19:26:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 446 transitions. [2019-10-13 19:26:21,296 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 446 transitions. Word has length 136 [2019-10-13 19:26:21,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:26:21,297 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 446 transitions. [2019-10-13 19:26:21,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:26:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2019-10-13 19:26:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 19:26:21,300 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:26:21,301 INFO L380 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, 1, 1] [2019-10-13 19:26:21,301 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:26:21,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:26:21,302 INFO L82 PathProgramCache]: Analyzing trace with hash -187214702, now seen corresponding path program 1 times [2019-10-13 19:26:21,302 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:26:21,302 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276699228] [2019-10-13 19:26:21,302 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:26:21,302 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:26:21,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:26:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,110 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2019-10-13 19:26:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 19:26:23,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276699228] [2019-10-13 19:26:23,340 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:26:23,340 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:26:23,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134920074] [2019-10-13 19:26:23,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:26:23,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:26:23,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:26:23,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:26:23,343 INFO L87 Difference]: Start difference. First operand 334 states and 446 transitions. Second operand 9 states. [2019-10-13 19:26:26,384 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 520 [2019-10-13 19:26:35,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:26:35,813 INFO L93 Difference]: Finished difference Result 718 states and 1016 transitions. [2019-10-13 19:26:35,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:26:35,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2019-10-13 19:26:35,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:26:35,820 INFO L225 Difference]: With dead ends: 718 [2019-10-13 19:26:35,820 INFO L226 Difference]: Without dead ends: 523 [2019-10-13 19:26:35,822 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:26:35,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2019-10-13 19:26:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 336. [2019-10-13 19:26:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-10-13 19:26:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 448 transitions. [2019-10-13 19:26:35,962 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 448 transitions. Word has length 137 [2019-10-13 19:26:35,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:26:35,963 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 448 transitions. [2019-10-13 19:26:35,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:26:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 448 transitions. [2019-10-13 19:26:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 19:26:35,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:26:35,965 INFO L380 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, 1, 1] [2019-10-13 19:26:35,966 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:26:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:26:35,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1067392320, now seen corresponding path program 1 times [2019-10-13 19:26:35,966 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:26:35,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529599140] [2019-10-13 19:26:35,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:26:35,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:26:35,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:26:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:37,915 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 517 [2019-10-13 19:26:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:26:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:26:38,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529599140] [2019-10-13 19:26:38,216 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:26:38,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:26:38,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653817306] [2019-10-13 19:26:38,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:26:38,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:26:38,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:26:38,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:26:38,221 INFO L87 Difference]: Start difference. First operand 336 states and 448 transitions. Second operand 12 states. [2019-10-13 19:26:40,339 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 519