java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:25:19,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:25:19,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:25:19,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:25:19,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:25:19,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:25:19,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:25:19,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:25:19,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:25:19,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:25:19,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:25:19,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:25:19,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:25:19,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:25:19,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:25:19,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:25:19,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:25:19,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:25:19,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:25:19,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:25:19,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:25:19,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:25:19,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:25:19,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:25:19,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:25:19,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:25:19,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:25:19,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:25:19,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:25:19,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:25:19,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:25:19,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:25:19,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:25:19,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:25:19,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:25:19,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:25:19,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:25:19,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:25:19,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:25:19,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:25:19,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:25:19,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:25:19,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:25:19,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:25:19,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:25:19,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:25:19,912 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:25:19,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:25:19,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:25:19,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:25:19,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:25:19,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:25:19,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:25:19,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:25:19,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:25:19,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:25:19,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:25:19,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:25:19,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:25:19,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:25:19,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:25:19,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:25:19,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:25:19,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:25:19,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:25:19,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:25:19,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:25:19,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:25:19,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:25:19,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:25:19,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:25:20,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:25:20,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:25:20,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:25:20,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:25:20,209 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:25:20,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product07.cil.c [2019-10-13 19:25:20,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5dfd2f2/361e9e21a47a42da87c974049f814214/FLAGdc86e2cce [2019-10-13 19:25:20,850 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:25:20,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product07.cil.c [2019-10-13 19:25:20,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5dfd2f2/361e9e21a47a42da87c974049f814214/FLAGdc86e2cce [2019-10-13 19:25:21,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5dfd2f2/361e9e21a47a42da87c974049f814214 [2019-10-13 19:25:21,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:25:21,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:25:21,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:25:21,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:25:21,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:25:21,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:25:21" (1/1) ... [2019-10-13 19:25:21,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4e076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:21, skipping insertion in model container [2019-10-13 19:25:21,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:25:21" (1/1) ... [2019-10-13 19:25:21,116 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:25:21,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:25:21,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:25:21,958 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:25:22,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:25:22,144 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:25:22,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22 WrapperNode [2019-10-13 19:25:22,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:25:22,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:25:22,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:25:22,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:25:22,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... [2019-10-13 19:25:22,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:25:22,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:25:22,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:25:22,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:25:22,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:25:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:25:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:25:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:25:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 19:25:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 19:25:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 19:25:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 19:25:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 19:25:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 19:25:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 19:25:22,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 19:25:22,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 19:25:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 19:25:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 19:25:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 19:25:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 19:25:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 19:25:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 19:25:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 19:25:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 19:25:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 19:25:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 19:25:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 19:25:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 19:25:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 19:25:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 19:25:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 19:25:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 19:25:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 19:25:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 19:25:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 19:25:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 19:25:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 19:25:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 19:25:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 19:25:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 19:25:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 19:25:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 19:25:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 19:25:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 19:25:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 19:25:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 19:25:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 19:25:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 19:25:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 19:25:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 19:25:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 19:25:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 19:25:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 19:25:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 19:25:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 19:25:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 19:25:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 19:25:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 19:25:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 19:25:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 19:25:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 19:25:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 19:25:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:25:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:25:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 19:25:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 19:25:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 19:25:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:25:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 19:25:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 19:25:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-13 19:25:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 19:25:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 19:25:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 19:25:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 19:25:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 19:25:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 19:25:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 19:25:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 19:25:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 19:25:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 19:25:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 19:25:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 19:25:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 19:25:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:25:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:25:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:25:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:25:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:25:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:25:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:25:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:25:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:25:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:25:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:25:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:25:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 19:25:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 19:25:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:25:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:25:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 19:25:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 19:25:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 19:25:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 19:25:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 19:25:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 19:25:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 19:25:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 19:25:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 19:25:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 19:25:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 19:25:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 19:25:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 19:25:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 19:25:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 19:25:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 19:25:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 19:25:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 19:25:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 19:25:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 19:25:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 19:25:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 19:25:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 19:25:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 19:25:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 19:25:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 19:25:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 19:25:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 19:25:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 19:25:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 19:25:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 19:25:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 19:25:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 19:25:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 19:25:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 19:25:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 19:25:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 19:25:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 19:25:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 19:25:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 19:25:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 19:25:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 19:25:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 19:25:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 19:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 19:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 19:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 19:25:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 19:25:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 19:25:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 19:25:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:25:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 19:25:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:25:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:25:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:25:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 19:25:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 19:25:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 19:25:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 19:25:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 19:25:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 19:25:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 19:25:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 19:25:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 19:25:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 19:25:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:25:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:25:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:25:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 19:25:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 19:25:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:25:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 19:25:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 19:25:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 19:25:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-13 19:25:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 19:25:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 19:25:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 19:25:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 19:25:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:25:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:25:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:25:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:25:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:25:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:25:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:25:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:25:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:25:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:25:24,422 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:25:24,423 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 19:25:24,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:25:24 BoogieIcfgContainer [2019-10-13 19:25:24,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:25:24,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:25:24,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:25:24,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:25:24,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:25:21" (1/3) ... [2019-10-13 19:25:24,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141f874d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:25:24, skipping insertion in model container [2019-10-13 19:25:24,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:22" (2/3) ... [2019-10-13 19:25:24,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141f874d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:25:24, skipping insertion in model container [2019-10-13 19:25:24,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:25:24" (3/3) ... [2019-10-13 19:25:24,435 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product07.cil.c [2019-10-13 19:25:24,445 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:25:24,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:25:24,468 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:25:24,507 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:25:24,507 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:25:24,507 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:25:24,507 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:25:24,508 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:25:24,508 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:25:24,508 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:25:24,508 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:25:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2019-10-13 19:25:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 19:25:24,569 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:25:24,571 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:25:24,573 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:25:24,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:25:24,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1773553052, now seen corresponding path program 1 times [2019-10-13 19:25:24,588 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:25:24,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051764928] [2019-10-13 19:25:24,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:24,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:24,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:25:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,678 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 511 [2019-10-13 19:25:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 19:25:26,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051764928] [2019-10-13 19:25:26,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:25:26,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:25:26,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469630525] [2019-10-13 19:25:26,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:25:26,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:25:26,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:25:26,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:25:26,944 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 8 states. [2019-10-13 19:25:34,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:25:34,685 INFO L93 Difference]: Finished difference Result 672 states and 1005 transitions. [2019-10-13 19:25:34,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 19:25:34,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2019-10-13 19:25:34,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:25:34,712 INFO L225 Difference]: With dead ends: 672 [2019-10-13 19:25:34,713 INFO L226 Difference]: Without dead ends: 453 [2019-10-13 19:25:34,719 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:25:34,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-10-13 19:25:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 287. [2019-10-13 19:25:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2019-10-13 19:25:34,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 385 transitions. [2019-10-13 19:25:34,901 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 385 transitions. Word has length 134 [2019-10-13 19:25:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:25:34,902 INFO L462 AbstractCegarLoop]: Abstraction has 287 states and 385 transitions. [2019-10-13 19:25:34,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:25:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 385 transitions. [2019-10-13 19:25:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:25:34,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:25:34,906 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:25:34,906 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:25:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:25:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash -406805330, now seen corresponding path program 1 times [2019-10-13 19:25:34,907 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:25:34,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475393583] [2019-10-13 19:25:34,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:34,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:34,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:25:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,378 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 511 [2019-10-13 19:25:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 19:25:36,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475393583] [2019-10-13 19:25:36,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:25:36,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:25:36,633 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653563055] [2019-10-13 19:25:36,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:25:36,636 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:25:36,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:25:36,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:25:36,636 INFO L87 Difference]: Start difference. First operand 287 states and 385 transitions. Second operand 9 states. [2019-10-13 19:25:38,970 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 514 [2019-10-13 19:25:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:25:45,181 INFO L93 Difference]: Finished difference Result 615 states and 875 transitions. [2019-10-13 19:25:45,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:25:45,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2019-10-13 19:25:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:25:45,186 INFO L225 Difference]: With dead ends: 615 [2019-10-13 19:25:45,187 INFO L226 Difference]: Without dead ends: 456 [2019-10-13 19:25:45,189 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:25:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2019-10-13 19:25:45,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 289. [2019-10-13 19:25:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2019-10-13 19:25:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 387 transitions. [2019-10-13 19:25:45,296 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 387 transitions. Word has length 135 [2019-10-13 19:25:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:25:45,296 INFO L462 AbstractCegarLoop]: Abstraction has 289 states and 387 transitions. [2019-10-13 19:25:45,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:25:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 387 transitions. [2019-10-13 19:25:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 19:25:45,298 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:25:45,299 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:25:45,299 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:25:45,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:25:45,299 INFO L82 PathProgramCache]: Analyzing trace with hash -365945431, now seen corresponding path program 1 times [2019-10-13 19:25:45,300 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:25:45,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518886963] [2019-10-13 19:25:45,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:45,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:45,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:25:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,760 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 511 [2019-10-13 19:25:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:25:47,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518886963] [2019-10-13 19:25:47,095 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:25:47,095 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:25:47,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016512402] [2019-10-13 19:25:47,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:25:47,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:25:47,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:25:47,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:25:47,098 INFO L87 Difference]: Start difference. First operand 289 states and 387 transitions. Second operand 12 states. [2019-10-13 19:25:48,768 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 513 [2019-10-13 19:25:57,853 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 515 [2019-10-13 19:25:59,228 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 515 [2019-10-13 19:26:00,546 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 515