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_spec8_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:31:27,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:31:27,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:31:27,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:31:27,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:31:27,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:31:27,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:31:27,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:31:27,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:31:27,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:31:27,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:31:27,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:31:27,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:31:27,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:31:27,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:31:27,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:31:27,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:31:27,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:31:27,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:31:27,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:31:27,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:31:27,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:31:27,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:31:27,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:31:27,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:31:27,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:31:27,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:31:27,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:31:27,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:31:27,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:31:27,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:31:27,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:31:27,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:31:27,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:31:27,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:31:27,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:31:27,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:31:27,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:31:27,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:31:27,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:31:27,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:31:27,328 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 23:31:27,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:31:27,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:31:27,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:31:27,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:31:27,349 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:31:27,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:31:27,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:31:27,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:31:27,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:31:27,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:31:27,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:31:27,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:31:27,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:31:27,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:31:27,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:31:27,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:31:27,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:31:27,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:31:27,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:31:27,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:31:27,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:31:27,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:31:27,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:31:27,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:31:27,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:31:27,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:31:27,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:31:27,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:31:27,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:31:27,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:31:27,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:31:27,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:31:27,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:31:27,653 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:31:27,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product31.cil.c [2019-10-14 23:31:27,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b4381a2/208e352538544b37a5ae723bad89d806/FLAG042d76923 [2019-10-14 23:31:28,328 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:31:28,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product31.cil.c [2019-10-14 23:31:28,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b4381a2/208e352538544b37a5ae723bad89d806/FLAG042d76923 [2019-10-14 23:31:28,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b4381a2/208e352538544b37a5ae723bad89d806 [2019-10-14 23:31:28,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:31:28,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:31:28,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:31:28,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:31:28,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:31:28,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:31:28" (1/1) ... [2019-10-14 23:31:28,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174a7eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:28, skipping insertion in model container [2019-10-14 23:31:28,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:31:28" (1/1) ... [2019-10-14 23:31:28,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:31:28,650 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:31:29,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:31:29,439 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:31:29,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:31:29,661 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:31:29,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29 WrapperNode [2019-10-14 23:31:29,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:31:29,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:31:29,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:31:29,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:31:29,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (1/1) ... [2019-10-14 23:31:29,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:31:29,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:31:29,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:31:29,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:31:29,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (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 23:31:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:31:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:31:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:31:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:31:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:31:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:31:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:31:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:31:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:31:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:31:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:31:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:31:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:31:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:31:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:31:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:31:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:31:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:31:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:31:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:31:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:31:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:31:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:31:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:31:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:31:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:31:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:31:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:31:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:31:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:31:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:31:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-14 23:31:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:31:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:31:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:31:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:31:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:31:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:31:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:31:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:31:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:31:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:31:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:31:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:31:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:31:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:31:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:31:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:31:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:31:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-14 23:31:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:31:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:31:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:31:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-14 23:31:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-14 23:31:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:31:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:31:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:31:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:31:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:31:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:31:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:31:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:31:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:31:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:31:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:31:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:31:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:31:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:31:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:31:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-14 23:31:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-14 23:31:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:31:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:31:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:31:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:31:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:31:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:31:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:31:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:31:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:31:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:31:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:31:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:31:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:31:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:31:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:31:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:31:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:31:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:31:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:31:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:31:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:31:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:31:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:31:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:31:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:31:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:31:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:31:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:31:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:31:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:31:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:31:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:31:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:31:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:31:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:31:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:31:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:31:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:31:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:31:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:31:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:31:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:31:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:31:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:31:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:31:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:31:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:31:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:31:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:31:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:31:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:31:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:31:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:31:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:31:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:31:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:31:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:31:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-14 23:31:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:31:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-14 23:31:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-14 23:31:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-14 23:31:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:31:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:31:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:31:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:31:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:31:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:31:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:31:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:31:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:31:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:31:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:31:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:31:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:31:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:31:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:31:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:31:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:31:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:31:32,070 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:31:32,071 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:31:32,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:31:32 BoogieIcfgContainer [2019-10-14 23:31:32,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:31:32,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:31:32,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:31:32,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:31:32,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:31:28" (1/3) ... [2019-10-14 23:31:32,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe5e601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:31:32, skipping insertion in model container [2019-10-14 23:31:32,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:29" (2/3) ... [2019-10-14 23:31:32,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe5e601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:31:32, skipping insertion in model container [2019-10-14 23:31:32,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:31:32" (3/3) ... [2019-10-14 23:31:32,083 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product31.cil.c [2019-10-14 23:31:32,093 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:31:32,104 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:31:32,116 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:31:32,166 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:31:32,166 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:31:32,166 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:31:32,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:31:32,172 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:31:32,173 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:31:32,173 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:31:32,173 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:31:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states. [2019-10-14 23:31:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-14 23:31:32,255 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:31:32,257 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] [2019-10-14 23:31:32,260 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:31:32,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:31:32,267 INFO L82 PathProgramCache]: Analyzing trace with hash 718074113, now seen corresponding path program 1 times [2019-10-14 23:31:32,277 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:31:32,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712370636] [2019-10-14 23:31:32,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:32,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:32,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:31:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,810 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 574 [2019-10-14 23:31:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:35,275 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 23:31:35,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712370636] [2019-10-14 23:31:35,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:31:35,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:31:35,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666453561] [2019-10-14 23:31:35,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:31:35,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:31:35,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:31:35,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:31:35,302 INFO L87 Difference]: Start difference. First operand 562 states. Second operand 11 states. [2019-10-14 23:31:51,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:31:51,600 INFO L93 Difference]: Finished difference Result 1344 states and 1984 transitions. [2019-10-14 23:31:51,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-14 23:31:51,603 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2019-10-14 23:31:51,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:31:51,630 INFO L225 Difference]: With dead ends: 1344 [2019-10-14 23:31:51,631 INFO L226 Difference]: Without dead ends: 877 [2019-10-14 23:31:51,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-10-14 23:31:51,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2019-10-14 23:31:51,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 539. [2019-10-14 23:31:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-10-14 23:31:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 711 transitions. [2019-10-14 23:31:52,000 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 711 transitions. Word has length 158 [2019-10-14 23:31:52,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:31:52,001 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 711 transitions. [2019-10-14 23:31:52,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:31:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 711 transitions. [2019-10-14 23:31:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-14 23:31:52,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:31:52,007 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] [2019-10-14 23:31:52,007 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:31:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:31:52,008 INFO L82 PathProgramCache]: Analyzing trace with hash 95900195, now seen corresponding path program 1 times [2019-10-14 23:31:52,008 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:31:52,008 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705070825] [2019-10-14 23:31:52,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:52,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:52,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:31:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:53,851 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 574 [2019-10-14 23:31:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:54,295 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 23:31:54,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705070825] [2019-10-14 23:31:54,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:31:54,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:31:54,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833838951] [2019-10-14 23:31:54,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:31:54,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:31:54,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:31:54,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:31:54,300 INFO L87 Difference]: Start difference. First operand 539 states and 711 transitions. Second operand 12 states. [2019-10-14 23:32:00,127 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 577