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_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:28:35,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:28:35,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:28:35,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:28:35,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:28:35,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:28:35,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:28:35,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:28:35,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:28:35,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:28:35,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:28:35,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:28:35,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:28:35,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:28:35,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:28:35,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:28:35,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:28:35,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:28:35,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:28:35,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:28:35,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:28:35,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:28:35,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:28:35,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:28:35,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:28:35,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:28:35,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:28:35,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:28:35,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:28:35,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:28:35,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:28:35,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:28:35,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:28:35,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:28:35,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:28:35,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:28:35,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:28:35,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:28:35,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:28:35,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:28:35,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:28:35,496 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 23:28:35,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:28:35,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:28:35,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:28:35,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:28:35,532 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:28:35,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:28:35,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:28:35,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:28:35,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:28:35,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:28:35,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:28:35,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:28:35,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:28:35,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:28:35,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:28:35,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:28:35,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:28:35,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:28:35,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:28:35,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:28:35,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:28:35,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:28:35,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:28:35,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:28:35,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:28:35,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:28:35,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:28:35,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:28:35,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:28:35,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:28:35,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:28:35,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:28:35,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:28:35,833 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:28:35,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product28.cil.c [2019-10-14 23:28:35,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05735c8b9/da01483a92fa4cccaa41abb83e5b83c6/FLAGaeb408248 [2019-10-14 23:28:36,584 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:28:36,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product28.cil.c [2019-10-14 23:28:36,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05735c8b9/da01483a92fa4cccaa41abb83e5b83c6/FLAGaeb408248 [2019-10-14 23:28:36,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05735c8b9/da01483a92fa4cccaa41abb83e5b83c6 [2019-10-14 23:28:36,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:28:36,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:28:36,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:28:36,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:28:36,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:28:36,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:28:36" (1/1) ... [2019-10-14 23:28:36,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb6a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:36, skipping insertion in model container [2019-10-14 23:28:36,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:28:36" (1/1) ... [2019-10-14 23:28:36,792 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:28:36,873 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:28:37,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:28:37,682 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:28:37,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:28:37,910 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:28:37,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37 WrapperNode [2019-10-14 23:28:37,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:28:37,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:28:37,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:28:37,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:28:37,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:37,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:37,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:37,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:38,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:38,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:38,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (1/1) ... [2019-10-14 23:28:38,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:28:38,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:28:38,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:28:38,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:28:38,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (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 23:28:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:28:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:28:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:28:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:28:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:28:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:28:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:28:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:28:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:28:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-14 23:28:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:28:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:28:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:28:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-14 23:28:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:28:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:28:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:28:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:28:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:28:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:28:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:28:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:28:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:28:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:28:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:28:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:28:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:28:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:28:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:28:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:28:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:28:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:28:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:28:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:28:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:28:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:28:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:28:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:28:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:28:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:28:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:28:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:28:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:28:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:28:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:28:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:28:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:28:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:28:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:28:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:28:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:28:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:28:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:28:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:28:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:28:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:28:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:28:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:28:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:28:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:28:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:28:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:28:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:28:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:28:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:28:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:28:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:28:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:28:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:28:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:28:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:28:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:28:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:28:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:28:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:28:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:28:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:28:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:28:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:28:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-14 23:28:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-14 23:28:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:28:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-14 23:28:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:28:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:28:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:28:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:28:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:28:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:28:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:28:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:28:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:28:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:28:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:28:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:28:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:28:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:28:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:28:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:28:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:28:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:28:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:28:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:28:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:28:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:28:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-14 23:28:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:28:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:28:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:28:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:28:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:28:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:28:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:28:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:28:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:28:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:28:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:28:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:28:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:28:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:28:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:28:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:28:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:28:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:28:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:28:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:28:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:28:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:28:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:28:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:28:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:28:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:28:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:28:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:28:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:28:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:28:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:28:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:28:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:28:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:28:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:28:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:28:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:28:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:28:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:28:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:28:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:28:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:28:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:28:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:28:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:28:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:28:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:28:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-14 23:28:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:28:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:28:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-14 23:28:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:28:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:28:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:28:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:28:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:28:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:28:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:28:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:28:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:28:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:28:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:28:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-14 23:28:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:28:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:28:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:28:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:28:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:28:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:28:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:28:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:28:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:28:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:28:40,587 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:28:40,587 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:28:40,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:28:40 BoogieIcfgContainer [2019-10-14 23:28:40,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:28:40,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:28:40,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:28:40,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:28:40,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:28:36" (1/3) ... [2019-10-14 23:28:40,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d673880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:28:40, skipping insertion in model container [2019-10-14 23:28:40,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:28:37" (2/3) ... [2019-10-14 23:28:40,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d673880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:28:40, skipping insertion in model container [2019-10-14 23:28:40,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:28:40" (3/3) ... [2019-10-14 23:28:40,599 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product28.cil.c [2019-10-14 23:28:40,610 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:28:40,621 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:28:40,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:28:40,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:28:40,674 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:28:40,674 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:28:40,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:28:40,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:28:40,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:28:40,674 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:28:40,674 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:28:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states. [2019-10-14 23:28:40,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-14 23:28:40,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:28:40,746 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:28:40,748 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:28:40,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:28:40,755 INFO L82 PathProgramCache]: Analyzing trace with hash -153424119, now seen corresponding path program 1 times [2019-10-14 23:28:40,765 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:28:40,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724895508] [2019-10-14 23:28:40,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:28:40,766 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:28:40,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:28:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,296 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 547 [2019-10-14 23:28:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:28:43,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724895508] [2019-10-14 23:28:43,774 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:28:43,774 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:28:43,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175350552] [2019-10-14 23:28:43,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:28:43,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:28:43,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:28:43,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:28:43,801 INFO L87 Difference]: Start difference. First operand 509 states. Second operand 11 states. [2019-10-14 23:28:57,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:28:57,683 INFO L93 Difference]: Finished difference Result 1184 states and 1765 transitions. [2019-10-14 23:28:57,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-14 23:28:57,686 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 164 [2019-10-14 23:28:57,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:28:57,716 INFO L225 Difference]: With dead ends: 1184 [2019-10-14 23:28:57,716 INFO L226 Difference]: Without dead ends: 783 [2019-10-14 23:28:57,730 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-10-14 23:28:57,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-14 23:28:58,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 458. [2019-10-14 23:28:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-14 23:28:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 611 transitions. [2019-10-14 23:28:58,096 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 611 transitions. Word has length 164 [2019-10-14 23:28:58,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:28:58,097 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 611 transitions. [2019-10-14 23:28:58,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:28:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 611 transitions. [2019-10-14 23:28:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-14 23:28:58,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:28:58,102 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:28:58,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:28:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:28:58,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1934400744, now seen corresponding path program 1 times [2019-10-14 23:28:58,103 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:28:58,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761570180] [2019-10-14 23:28:58,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:28:58,104 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:28:58,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:28:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:59,870 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 547 [2019-10-14 23:28:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:28:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:29:00,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761570180] [2019-10-14 23:29:00,285 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:29:00,285 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:29:00,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578444928] [2019-10-14 23:29:00,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:29:00,287 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:29:00,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:29:00,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:29:00,288 INFO L87 Difference]: Start difference. First operand 458 states and 611 transitions. Second operand 12 states. [2019-10-14 23:29:05,338 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 550