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_spec27_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:26:31,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:26:31,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:26:31,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:26:31,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:26:31,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:26:31,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:26:31,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:26:31,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:26:31,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:26:31,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:26:31,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:26:31,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:26:31,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:26:31,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:26:31,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:26:31,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:26:31,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:26:31,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:26:31,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:26:31,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:26:31,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:26:31,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:26:31,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:26:31,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:26:31,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:26:31,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:26:31,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:26:31,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:26:31,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:26:31,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:26:31,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:26:31,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:26:31,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:26:31,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:26:31,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:26:31,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:26:31,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:26:31,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:26:31,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:26:31,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:26:31,902 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 23:26:31,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:26:31,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:26:31,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:26:31,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:26:31,918 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:26:31,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:26:31,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:26:31,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:26:31,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:26:31,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:26:31,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:26:31,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:26:31,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:26:31,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:26:31,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:26:31,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:26:31,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:26:31,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:26:31,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:26:31,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:26:31,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:26:31,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:26:31,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:26:31,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:26:31,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:26:31,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:26:31,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:26:31,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:26:31,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:26:32,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:26:32,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:26:32,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:26:32,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:26:32,296 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:26:32,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product24.cil.c [2019-10-14 23:26:32,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd680a36/9cf691e3c2c64eea9f0483bbb05d8f9c/FLAGcf12840a2 [2019-10-14 23:26:32,966 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:26:32,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product24.cil.c [2019-10-14 23:26:32,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd680a36/9cf691e3c2c64eea9f0483bbb05d8f9c/FLAGcf12840a2 [2019-10-14 23:26:33,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd680a36/9cf691e3c2c64eea9f0483bbb05d8f9c [2019-10-14 23:26:33,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:26:33,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:26:33,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:26:33,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:26:33,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:26:33,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:26:33" (1/1) ... [2019-10-14 23:26:33,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605515df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:33, skipping insertion in model container [2019-10-14 23:26:33,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:26:33" (1/1) ... [2019-10-14 23:26:33,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:26:33,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:26:34,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:26:34,116 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:26:34,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:26:34,323 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:26:34,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34 WrapperNode [2019-10-14 23:26:34,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:26:34,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:26:34,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:26:34,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:26:34,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (1/1) ... [2019-10-14 23:26:34,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:26:34,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:26:34,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:26:34,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:26:34,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (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 23:26:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:26:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:26:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:26:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-14 23:26:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-14 23:26:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:26:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:26:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:26:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:26:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:26:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:26:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:26:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:26:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:26:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:26:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:26:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:26:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:26:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:26:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:26:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:26:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:26:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:26:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:26:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:26:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:26:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:26:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:26:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:26:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:26:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-14 23:26:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:26:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:26:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:26:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:26:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:26:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:26:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:26:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:26:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:26:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:26:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:26:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:26:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:26:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:26:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:26:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:26:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:26:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:26:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:26:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:26:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:26:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:26:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:26:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:26:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:26:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:26:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:26:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:26:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:26:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:26:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:26:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-14 23:26:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:26:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:26:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-14 23:26:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:26:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-14 23:26:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:26:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:26:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:26:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:26:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:26:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:26:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:26:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:26:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:26:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:26:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:26:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:26:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:26:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:26:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:26:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:26:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:26:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:26:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:26:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:26:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:26:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:26:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:26:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:26:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:26:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:26:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:26:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:26:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:26:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:26:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:26:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:26:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:26:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:26:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:26:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:26:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:26:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:26:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:26:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:26:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:26:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:26:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:26:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:26:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:26:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:26:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:26:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:26:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:26:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:26:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:26:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:26:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:26:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:26:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:26:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-14 23:26:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:26:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-14 23:26:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:26:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:26:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:26:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:26:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:26:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:26:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:26:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:26:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:26:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:26:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:26:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:26:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:26:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:26:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:26:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:26:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:26:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:26:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:26:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:26:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:26:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:26:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:26:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:26:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:26:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:26:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:26:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:26:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:26:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:26:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:26:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:26:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:26:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:26:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:26:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:26:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:26:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:26:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:26:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:26:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:26:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:26:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:26:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:26:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:26:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:26:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:26:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:26:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:26:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:26:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:26:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:26:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:26:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:26:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:26:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:26:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:26:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:26:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:26:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:26:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:26:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:26:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:26:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:26:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:26:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:26:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:26:36,809 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:26:36,809 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:26:36,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:26:36 BoogieIcfgContainer [2019-10-14 23:26:36,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:26:36,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:26:36,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:26:36,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:26:36,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:26:33" (1/3) ... [2019-10-14 23:26:36,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144e046c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:26:36, skipping insertion in model container [2019-10-14 23:26:36,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:34" (2/3) ... [2019-10-14 23:26:36,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144e046c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:26:36, skipping insertion in model container [2019-10-14 23:26:36,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:26:36" (3/3) ... [2019-10-14 23:26:36,823 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product24.cil.c [2019-10-14 23:26:36,834 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:26:36,846 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:26:36,859 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:26:36,897 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:26:36,897 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:26:36,897 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:26:36,897 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:26:36,897 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:26:36,898 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:26:36,898 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:26:36,898 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:26:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states. [2019-10-14 23:26:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-14 23:26:36,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:26:36,961 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:26:36,963 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:26:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:26:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1375870592, now seen corresponding path program 1 times [2019-10-14 23:26:36,978 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:26:36,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218308261] [2019-10-14 23:26:36,978 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:26:36,978 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:26:36,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:26:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,340 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 547 [2019-10-14 23:26:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:26:39,920 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218308261] [2019-10-14 23:26:39,921 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:26:39,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:26:39,921 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34865366] [2019-10-14 23:26:39,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:26:39,927 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:26:39,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:26:39,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:26:39,945 INFO L87 Difference]: Start difference. First operand 528 states. Second operand 12 states. [2019-10-14 23:27:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:27:04,509 INFO L93 Difference]: Finished difference Result 1551 states and 2551 transitions. [2019-10-14 23:27:04,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2019-10-14 23:27:04,510 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2019-10-14 23:27:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:27:04,539 INFO L225 Difference]: With dead ends: 1551 [2019-10-14 23:27:04,539 INFO L226 Difference]: Without dead ends: 981 [2019-10-14 23:27:04,553 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2361 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2019-10-14 23:27:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2019-10-14 23:27:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 505. [2019-10-14 23:27:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-10-14 23:27:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 666 transitions. [2019-10-14 23:27:04,890 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 666 transitions. Word has length 181 [2019-10-14 23:27:04,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:27:04,891 INFO L462 AbstractCegarLoop]: Abstraction has 505 states and 666 transitions. [2019-10-14 23:27:04,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:27:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 666 transitions. [2019-10-14 23:27:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-14 23:27:04,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:27:04,898 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:27:04,899 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:27:04,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:27:04,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1672836718, now seen corresponding path program 1 times [2019-10-14 23:27:04,900 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:27:04,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723498325] [2019-10-14 23:27:04,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:27:04,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:27:04,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:27:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,590 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 547 [2019-10-14 23:27:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:27:07,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723498325] [2019-10-14 23:27:07,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:27:07,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:27:07,051 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268622369] [2019-10-14 23:27:07,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:27:07,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:27:07,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:27:07,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:27:07,055 INFO L87 Difference]: Start difference. First operand 505 states and 666 transitions. Second operand 13 states. [2019-10-14 23:27:12,247 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 550