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_spec0_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:24:10,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:24:10,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:24:10,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:24:10,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:24:10,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:24:10,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:24:10,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:24:10,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:24:10,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:24:10,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:24:10,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:24:10,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:24:10,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:24:10,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:24:10,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:24:10,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:24:10,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:24:10,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:24:10,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:24:10,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:24:10,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:24:10,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:24:10,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:24:10,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:24:10,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:24:10,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:24:10,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:24:10,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:24:10,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:24:10,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:24:10,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:24:10,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:24:10,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:24:10,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:24:10,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:24:10,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:24:10,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:24:10,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:24:10,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:24:10,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:24:10,221 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 [2019-10-14 23:24:10,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:24:10,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:24:10,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:24:10,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:24:10,245 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:24:10,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:24:10,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:24:10,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:24:10,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:24:10,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:24:10,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:24:10,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:24:10,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:24:10,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:24:10,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:24:10,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:24:10,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:24:10,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:24:10,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:24:10,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:24:10,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:24:10,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:24:10,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:24:10,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:24:10,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:24:10,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:24:10,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:24:10,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:24:10,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:24:10,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:24:10,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:24:10,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:24:10,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:24:10,620 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:24:10,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2019-10-14 23:24:10,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74c6e18d/c26b78d94d6b45aeaf48581b8ccb4882/FLAG3bf8fb997 [2019-10-14 23:24:11,296 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:24:11,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2019-10-14 23:24:11,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74c6e18d/c26b78d94d6b45aeaf48581b8ccb4882/FLAG3bf8fb997 [2019-10-14 23:24:11,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74c6e18d/c26b78d94d6b45aeaf48581b8ccb4882 [2019-10-14 23:24:11,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:24:11,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:24:11,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:24:11,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:24:11,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:24:11,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:24:11" (1/1) ... [2019-10-14 23:24:11,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b624b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:11, skipping insertion in model container [2019-10-14 23:24:11,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:24:11" (1/1) ... [2019-10-14 23:24:11,515 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:24:11,577 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:24:12,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:24:12,378 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:24:12,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:24:12,563 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:24:12,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12 WrapperNode [2019-10-14 23:24:12,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:24:12,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:24:12,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:24:12,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:24:12,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (1/1) ... [2019-10-14 23:24:12,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:24:12,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:24:12,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:24:12,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:24:12,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (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 [2019-10-14 23:24:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:24:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:24:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:24:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:24:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:24:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:24:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:24:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:24:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:24:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:24:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:24:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:24:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:24:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:24:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:24:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:24:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:24:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:24:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:24:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:24:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:24:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:24:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:24:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:24:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:24:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:24:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:24:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:24:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:24:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:24:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:24:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:24:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:24:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:24:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:24:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:24:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:24:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:24:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:24:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:24:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:24:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:24:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:24:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:24:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:24:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:24:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:24:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:24:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:24:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-14 23:24:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:24:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:24:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-14 23:24:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-14 23:24:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:24:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:24:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:24:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:24:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:24:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:24:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:24:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:24:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-14 23:24:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:24:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:24:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:24:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:24:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:24:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:24:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:24:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:24:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:24:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:24:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:24:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:24:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:24:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:24:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:24:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:24:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:24:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:24:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:24:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:24:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:24:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:24:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:24:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:24:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:24:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:24:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:24:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:24:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:24:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:24:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:24:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:24:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-14 23:24:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:24:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:24:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:24:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:24:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:24:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:24:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:24:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:24:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:24:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:24:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:24:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:24:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:24:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:24:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:24:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:24:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:24:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:24:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:24:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:24:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:24:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:24:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:24:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:24:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:24:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:24:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:24:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:24:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:24:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:24:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:24:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:24:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:24:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:24:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:24:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:24:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:24:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:24:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:24:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:24:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:24:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:24:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:24:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:24:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:24:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:24:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:24:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:24:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:24:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:24:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:24:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:24:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:24:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:24:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:24:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:24:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:24:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:24:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:24:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:24:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:24:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:24:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:24:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:24:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:24:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:24:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:24:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:24:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:24:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:24:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-14 23:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-14 23:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-14 23:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-14 23:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:24:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:24:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:24:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:24:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:24:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:24:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:24:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:24:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:24:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:24:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:24:14,746 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:24:14,747 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:24:14,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:24:14 BoogieIcfgContainer [2019-10-14 23:24:14,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:24:14,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:24:14,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:24:14,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:24:14,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:24:11" (1/3) ... [2019-10-14 23:24:14,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2111104d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:24:14, skipping insertion in model container [2019-10-14 23:24:14,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:12" (2/3) ... [2019-10-14 23:24:14,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2111104d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:24:14, skipping insertion in model container [2019-10-14 23:24:14,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:24:14" (3/3) ... [2019-10-14 23:24:14,757 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2019-10-14 23:24:14,767 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:24:14,778 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:24:14,789 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:24:14,816 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:24:14,816 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:24:14,817 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:24:14,817 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:24:14,817 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:24:14,817 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:24:14,817 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:24:14,817 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:24:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2019-10-14 23:24:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:24:14,862 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:14,863 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:14,865 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:14,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:14,871 INFO L82 PathProgramCache]: Analyzing trace with hash -181323665, now seen corresponding path program 1 times [2019-10-14 23:24:14,880 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:14,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980717759] [2019-10-14 23:24:14,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:14,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:14,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,040 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 517 [2019-10-14 23:24:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-14 23:24:17,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980717759] [2019-10-14 23:24:17,478 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:17,478 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:24:17,479 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961174553] [2019-10-14 23:24:17,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:24:17,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:17,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:24:17,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:24:17,502 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 9 states. [2019-10-14 23:24:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:26,369 INFO L93 Difference]: Finished difference Result 811 states and 1223 transitions. [2019-10-14 23:24:26,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-14 23:24:26,372 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2019-10-14 23:24:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:26,396 INFO L225 Difference]: With dead ends: 811 [2019-10-14 23:24:26,396 INFO L226 Difference]: Without dead ends: 538 [2019-10-14 23:24:26,403 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2019-10-14 23:24:26,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-14 23:24:26,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 334. [2019-10-14 23:24:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-14 23:24:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 446 transitions. [2019-10-14 23:24:26,698 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 446 transitions. Word has length 150 [2019-10-14 23:24:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:26,698 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 446 transitions. [2019-10-14 23:24:26,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:24:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2019-10-14 23:24:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-14 23:24:26,704 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:26,705 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:26,705 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:26,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:26,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1201394716, now seen corresponding path program 1 times [2019-10-14 23:24:26,706 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:26,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005658508] [2019-10-14 23:24:26,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:26,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:26,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,320 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 517 [2019-10-14 23:24:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-14 23:24:28,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005658508] [2019-10-14 23:24:28,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:28,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:24:28,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470391222] [2019-10-14 23:24:28,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:24:28,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:28,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:24:28,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:24:28,649 INFO L87 Difference]: Start difference. First operand 334 states and 446 transitions. Second operand 10 states. [2019-10-14 23:24:31,682 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 520 [2019-10-14 23:24:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:41,132 INFO L93 Difference]: Finished difference Result 736 states and 1056 transitions. [2019-10-14 23:24:41,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:24:41,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2019-10-14 23:24:41,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:41,139 INFO L225 Difference]: With dead ends: 736 [2019-10-14 23:24:41,139 INFO L226 Difference]: Without dead ends: 541 [2019-10-14 23:24:41,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:24:41,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2019-10-14 23:24:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 336. [2019-10-14 23:24:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-10-14 23:24:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 448 transitions. [2019-10-14 23:24:41,289 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 448 transitions. Word has length 151 [2019-10-14 23:24:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:41,289 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 448 transitions. [2019-10-14 23:24:41,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:24:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 448 transitions. [2019-10-14 23:24:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-14 23:24:41,293 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:41,293 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:41,293 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:41,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:41,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1898498474, now seen corresponding path program 1 times [2019-10-14 23:24:41,294 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:41,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443491752] [2019-10-14 23:24:41,294 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:41,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:41,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,030 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 517 [2019-10-14 23:24:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-14 23:24:43,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443491752] [2019-10-14 23:24:43,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:43,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:24:43,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636983812] [2019-10-14 23:24:43,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:24:43,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:43,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:24:43,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:24:43,333 INFO L87 Difference]: Start difference. First operand 336 states and 448 transitions. Second operand 13 states. [2019-10-14 23:24:45,099 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 519